Add content_shell_test_apk and a several dependencies

media/media.gyp

Index: media/media.gyp
diff --git a/media/media.gyp b/media/media.gyp
index 71242666b7c665bd6af08c51b187190979576877..db5700f8e3b9f5980f2d9e69ff16adb7a325beb4 100644
--- a/media/media.gyp
+++ b/media/media.gyp
@@ -1552,6 +1552,7 @@
     ['OS=="android"', {
       'targets': [
         {
+          # TODO(GN)
           'target_name': 'media_unittests_apk',
           'type': 'none',
           'dependencies': [
@@ -1564,6 +1565,7 @@
           'includes': ['../build/apk_test.gypi'],
         },
         {
+          # TODO(GN)
           'target_name': 'media_perftests_apk',
           'type': 'none',
           'dependencies': [
@@ -1576,6 +1578,7 @@
           'includes': ['../build/apk_test.gypi'],
         },
         {
+          # GN: //media/base/android:media_android_jni_headers
           'target_name': 'media_android_jni_headers',
           'type': 'none',
           'sources': [
@@ -1595,6 +1598,7 @@
           'includes': ['../build/jni_generator.gypi'],
         },
         {
+          # GN: //media/base/android:video_capture_android_jni_headers
           'target_name': 'video_capture_android_jni_headers',
           'type': 'none',
           'sources': [
@@ -1607,6 +1611,7 @@
           'includes': ['../build/jni_generator.gypi'],
         },
         {
+          # GN: //media/base/android:android
           'target_name': 'player_android',
           'type': 'static_library',
           'sources': [
@@ -1652,6 +1657,7 @@
           ],
         },
         {
+          # GN: //media/base/android:media_java
           'target_name': 'media_java',
           'type': 'none',
           'dependencies': [
@@ -1667,6 +1673,7 @@
           'includes': ['../build/java.gypi'],
         },
         {
+          # GN: //media/base/android:media_android_imageformat_list
           'target_name': 'media_android_imageformat_list',
           'type': 'none',
           'sources': [