Make change and version bump to aml_med_301800200 for mainline module file: apex/manifest.json

Change-Id: Ic16314c5b99c6e963a7328db4ccb892f7e256ae4
diff --git a/apex/manifest.json b/apex/manifest.json
index 3a13320..a8440e8 100644
--- a/apex/manifest.json
+++ b/apex/manifest.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.media",
-  "version": 301800100
+  "version": 301800200
 }