Support to play the various tones as per the Indian standard

To play the following tones as per Indian standards.
 - Dial tone
 - Busy tone
 - Congestion tone
 - Call waiting tone
 - Ringing tone

Bug: 117161543
Bug: 118655632
Test: Play each tone in indian locale

(cherry picked from commit f4a4005adb8340b2883d0b6771bcebac5c9c75b5)

Change-Id: I6358b18bf23fa21b6fd0a6e3ff4d296b2df6e69d
(cherry picked from commit b7afce9ef7d9c4cd5181501447663921617f560e)
diff --git a/media/libaudioclient/ToneGenerator.cpp b/media/libaudioclient/ToneGenerator.cpp
index 5716727..d846d79 100644
--- a/media/libaudioclient/ToneGenerator.cpp
+++ b/media/libaudioclient/ToneGenerator.cpp
@@ -826,6 +826,34 @@
                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
           .repeatCnt = ToneGenerator::TONEGEN_INF,
           .repeatSegment = 0 },                              // TONE_IE_CALL_WAITING
+        { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 375, 400, 425, 0 }, 0, 0 },
+                        { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
+          .repeatCnt = ToneGenerator::TONEGEN_INF,
+          .repeatSegment = 0 },                              // TONE_INDIA_DIAL
+        { .segments = { { .duration = 750, .waveFreq = { 400, 0 }, 0, 0 },
+                      { .duration = 750, .waveFreq = { 0 }, 0, 0 },
+                      { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
+          .repeatCnt = ToneGenerator::TONEGEN_INF,
+          .repeatSegment = 0 },                               // TONE_INDIA_BUSY
+        { .segments = { { .duration = 250, .waveFreq = { 400, 0 }, 0, 0 },
+                        { .duration = 250, .waveFreq = { 0 }, 0, 0 },
+                        { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
+          .repeatCnt = ToneGenerator::TONEGEN_INF,
+          .repeatSegment = 0 },                              // TONE_INDIA_CONGESTION
+        { .segments = { { .duration = 200, .waveFreq = { 400, 0 }, 0, 0 },
+                        { .duration = 100, .waveFreq = { 0 }, 0, 0 },
+                        { .duration = 200, .waveFreq = { 400, 0 }, 0, 0 },
+                        { .duration = 7500, .waveFreq = { 0 }, 0, 0 },
+                        { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
+          .repeatCnt = ToneGenerator::TONEGEN_INF,
+          .repeatSegment = 0 },                              // TONE_INDIA_CALL_WAITING
+        { .segments = { { .duration = 400, .waveFreq = { 375, 400, 425, 0 }, 0, 0 },
+                      { .duration = 200, .waveFreq = { 0 }, 0, 0 },
+                      { .duration = 400, .waveFreq = { 375, 400, 425, 0 }, 0, 0 },
+                      { .duration = 2000, .waveFreq = { 0 }, 0, 0 },
+                      { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
+          .repeatCnt = ToneGenerator::TONEGEN_INF,
+          .repeatSegment = 0 },                               // TONE_INDIA_RINGTONE
 };
 
 // Used by ToneGenerator::getToneForRegion() to convert user specified supervisory tone type
@@ -900,6 +928,16 @@
             TONE_SUP_ERROR,              // TONE_SUP_ERROR
             TONE_IE_CALL_WAITING,        // TONE_SUP_CALL_WAITING
             TONE_IE_RINGTONE             // TONE_SUP_RINGTONE
+        },
+        {   // INDIA
+            TONE_INDIA_DIAL,             // TONE_SUP_DIAL
+            TONE_INDIA_BUSY,             // TONE_SUP_BUSY
+            TONE_INDIA_CONGESTION,       // TONE_SUP_CONGESTION
+            TONE_SUP_RADIO_ACK,          // TONE_SUP_RADIO_ACK
+            TONE_SUP_RADIO_NOTAVAIL,     // TONE_SUP_RADIO_NOTAVAIL
+            TONE_SUP_ERROR,              // TONE_SUP_ERROR
+            TONE_INDIA_CALL_WAITING,     // TONE_SUP_CALL_WAITING
+            TONE_INDIA_RINGTONE          // TONE_SUP_RINGTONE
         }
 };
 
@@ -971,6 +1009,8 @@
         mRegion = HONGKONG;
     } else if (strstr(value, "ie") != NULL) {
         mRegion = IRELAND;
+    } else if (strstr(value, "in") != NULL) {
+        mRegion = INDIA;
     } else {
         mRegion = CEPT;
     }
diff --git a/media/libaudioclient/include/media/ToneGenerator.h b/media/libaudioclient/include/media/ToneGenerator.h
index 247703f..7ae6aa6 100644
--- a/media/libaudioclient/include/media/ToneGenerator.h
+++ b/media/libaudioclient/include/media/ToneGenerator.h
@@ -212,6 +212,12 @@
         // IRELAND Supervisory tones
         TONE_IE_RINGTONE,           // Ring Tone: A 400Hz + 450Hz tone repeated in a 0.4s on, 0.2s off, 0.4s on, 2.0s off pattern.
         TONE_IE_CALL_WAITING,       // Call waiting tone: 425Hz tone repeated in a 0.18s on, 0.2s off, 0.2s on, 4.5s off pattern.
+        // INDIA supervisory tones
+        TONE_INDIA_DIAL,            // Dial tone: 400 Hz tone modulated with 25Hz, continuous
+        TONE_INDIA_BUSY,            // Busy tone: 400 Hz, 750ms ON, 750ms OFF...
+        TONE_INDIA_CONGESTION,      // Congestion tone: 400 Hz, 250ms ON, 250ms OFF...
+        TONE_INDIA_CALL_WAITING,    // Call waiting tone: 400 Hz, tone repeated in a 0.2s on, 0.1s off, 0.2s on, 7.5s off pattern.
+        TONE_INDIA_RINGTONE,        // Ring tone: 400 Hz tone modulated with 25Hz, 0.4 on 0.2 off 0.4 on 2..0 off
         NUM_ALTERNATE_TONES
     };
 
@@ -223,6 +229,7 @@
         SINGAPORE,
         HONGKONG,
         IRELAND,
+        INDIA,
         CEPT,
         NUM_REGIONS
     };