Reformat Android.bp file

This commit replaces `=` with `:`, which is more idiomatic.  Besides,
this commit refines the whitespace between brackets and add commas to
the end of the list.

Test: aosp_sailfish-userdebug builds
Change-Id: I5977fd1690c7890318ec3d0e5f0238803eafe3e8
diff --git a/services/inputflinger/tests/Android.bp b/services/inputflinger/tests/Android.bp
index a49c8c8..19a46f6 100644
--- a/services/inputflinger/tests/Android.bp
+++ b/services/inputflinger/tests/Android.bp
@@ -12,7 +12,7 @@
         "-Werror",
         "-Wno-unused-parameter",
     ],
-    shared_libs = [
+    shared_libs: [
         "libcutils",
         "liblog",
         "libutils",
diff --git a/services/vr/virtual_touchpad/Android.bp b/services/vr/virtual_touchpad/Android.bp
index 7196b2b..513fcc1 100644
--- a/services/vr/virtual_touchpad/Android.bp
+++ b/services/vr/virtual_touchpad/Android.bp
@@ -14,7 +14,7 @@
 ]
 
 header_libraries = [
-    "libdvr_headers"
+    "libdvr_headers",
 ]
 
 cc_library {
@@ -48,19 +48,19 @@
     srcs: test_src_files,
     static_libs: test_static_libs,
     header_libs: header_libraries,
-    cflags = [
+    cflags: [
         "-Wall",
         "-Werror",
     ],
-    cppflags = [
+    cppflags: [
         "-std=c++11",
     ],
-    host_ldlibs = [
+    host_ldlibs: [
         "-llog",
     ],
     name: "VirtualTouchpad_test",
     stl: "libc++_static",
-    tags: [ "optional" ],
+    tags: ["optional"],
 }
 
 // Service.