Add __INTRODUCED_IN to more NdkMediaFormat.h variables

Annotate the ones that were added when the NDK media APIs were first
added in API 21

Test: build
Change-Id: Id60039944981f3af56571f2de31e7989e4d377a2
diff --git a/media/ndk/libmediandk.map.txt b/media/ndk/libmediandk.map.txt
index fb56694..e9e32e5 100644
--- a/media/ndk/libmediandk.map.txt
+++ b/media/ndk/libmediandk.map.txt
@@ -32,55 +32,55 @@
     AMEDIAFORMAT_KEY_AAC_DRC_TARGET_REFERENCE_LEVEL; # var introduced=28
     AMEDIAFORMAT_KEY_AAC_ENCODED_TARGET_LEVEL; # var introduced=28
     AMEDIAFORMAT_KEY_AAC_MAX_OUTPUT_CHANNEL_COUNT; # var introduced=28
-    AMEDIAFORMAT_KEY_AAC_PROFILE; # var
+    AMEDIAFORMAT_KEY_AAC_PROFILE; # var introduced=21
     AMEDIAFORMAT_KEY_AAC_SBR_MODE; # var introduced=28
     AMEDIAFORMAT_KEY_AUDIO_SESSION_ID; # var introduced=28
     AMEDIAFORMAT_KEY_BITRATE_MODE; # var introduced=28
-    AMEDIAFORMAT_KEY_BIT_RATE; # var
+    AMEDIAFORMAT_KEY_BIT_RATE; # var introduced=21
     AMEDIAFORMAT_KEY_CAPTURE_RATE; # var introduced=28
-    AMEDIAFORMAT_KEY_CHANNEL_COUNT; # var
-    AMEDIAFORMAT_KEY_CHANNEL_MASK; # var
-    AMEDIAFORMAT_KEY_COLOR_FORMAT; # var
+    AMEDIAFORMAT_KEY_CHANNEL_COUNT; # var introduced=21
+    AMEDIAFORMAT_KEY_CHANNEL_MASK; # var introduced=21
+    AMEDIAFORMAT_KEY_COLOR_FORMAT; # var introduced=21
     AMEDIAFORMAT_KEY_COLOR_RANGE; # var introduced=28
     AMEDIAFORMAT_KEY_COLOR_STANDARD; # var introduced=28
     AMEDIAFORMAT_KEY_COLOR_TRANSFER; # var introduced=28
     AMEDIAFORMAT_KEY_COMPLEXITY; # var introduced=28
     AMEDIAFORMAT_KEY_DISPLAY_CROP; # var introduced=28
-    AMEDIAFORMAT_KEY_DURATION; # var
-    AMEDIAFORMAT_KEY_FLAC_COMPRESSION_LEVEL; # var
-    AMEDIAFORMAT_KEY_FRAME_RATE; # var
+    AMEDIAFORMAT_KEY_DURATION; # var introduced=21
+    AMEDIAFORMAT_KEY_FLAC_COMPRESSION_LEVEL; # var introduced=21
+    AMEDIAFORMAT_KEY_FRAME_RATE; # var introduced=21
     AMEDIAFORMAT_KEY_GRID_COLUMNS; # var introduced=28
     AMEDIAFORMAT_KEY_GRID_ROWS; # var introduced=28
     AMEDIAFORMAT_KEY_HDR_STATIC_INFO; # var introduced=28
-    AMEDIAFORMAT_KEY_HEIGHT; # var
+    AMEDIAFORMAT_KEY_HEIGHT; # var introduced=21
     AMEDIAFORMAT_KEY_INTRA_REFRESH_PERIOD; # var introduced=28
-    AMEDIAFORMAT_KEY_IS_ADTS; # var
-    AMEDIAFORMAT_KEY_IS_AUTOSELECT; # var
-    AMEDIAFORMAT_KEY_IS_DEFAULT; # var
-    AMEDIAFORMAT_KEY_IS_FORCED_SUBTITLE; # var
-    AMEDIAFORMAT_KEY_I_FRAME_INTERVAL; # var
-    AMEDIAFORMAT_KEY_LANGUAGE; # var
+    AMEDIAFORMAT_KEY_IS_ADTS; # var introduced=21
+    AMEDIAFORMAT_KEY_IS_AUTOSELECT; # var introduced=21
+    AMEDIAFORMAT_KEY_IS_DEFAULT; # var introduced=21
+    AMEDIAFORMAT_KEY_IS_FORCED_SUBTITLE; # var introduced=21
+    AMEDIAFORMAT_KEY_I_FRAME_INTERVAL; # var introduced=21
+    AMEDIAFORMAT_KEY_LANGUAGE; # var introduced=21
     AMEDIAFORMAT_KEY_LATENCY; # var introduced=28
     AMEDIAFORMAT_KEY_LEVEL; # var introduced=28
-    AMEDIAFORMAT_KEY_MAX_HEIGHT; # var
-    AMEDIAFORMAT_KEY_MAX_INPUT_SIZE; # var
-    AMEDIAFORMAT_KEY_MAX_WIDTH; # var
-    AMEDIAFORMAT_KEY_MIME; # var
+    AMEDIAFORMAT_KEY_MAX_HEIGHT; # var introduced=21
+    AMEDIAFORMAT_KEY_MAX_INPUT_SIZE; # var introduced=21
+    AMEDIAFORMAT_KEY_MAX_WIDTH; # var introduced=21
+    AMEDIAFORMAT_KEY_MIME; # var introduced=21
     AMEDIAFORMAT_KEY_OPERATING_RATE; # var introduced=28
     AMEDIAFORMAT_KEY_PCM_ENCODING; # var introduced=28
     AMEDIAFORMAT_KEY_PRIORITY; # var introduced=28
     AMEDIAFORMAT_KEY_PROFILE; # var introduced=28
-    AMEDIAFORMAT_KEY_PUSH_BLANK_BUFFERS_ON_STOP; # var
-    AMEDIAFORMAT_KEY_REPEAT_PREVIOUS_FRAME_AFTER; # var
+    AMEDIAFORMAT_KEY_PUSH_BLANK_BUFFERS_ON_STOP; # var introduced=21
+    AMEDIAFORMAT_KEY_REPEAT_PREVIOUS_FRAME_AFTER; # var introduced=21
     AMEDIAFORMAT_KEY_ROTATION; # var introduced=28
-    AMEDIAFORMAT_KEY_SAMPLE_RATE; # var
+    AMEDIAFORMAT_KEY_SAMPLE_RATE; # var introduced=21
     AMEDIAFORMAT_KEY_SLICE_HEIGHT; # var introduced=28
-    AMEDIAFORMAT_KEY_STRIDE; # var
+    AMEDIAFORMAT_KEY_STRIDE; # var introduced=21
     AMEDIAFORMAT_KEY_TEMPORAL_LAYERING; # var introduced=28
     AMEDIAFORMAT_KEY_TILE_HEIGHT; # var introduced=28
     AMEDIAFORMAT_KEY_TILE_WIDTH; # var introduced=28
     AMEDIAFORMAT_KEY_TRACK_ID; # var introduced=28
-    AMEDIAFORMAT_KEY_WIDTH; # var
+    AMEDIAFORMAT_KEY_WIDTH; # var introduced=21
     AMediaCodecActionCode_isRecoverable; # introduced=28
     AMediaCodecActionCode_isTransient; # introduced=28
     AMediaCodecCryptoInfo_delete;