libmedia-ndk: add common missing constants

Bug: 153592281
Bug: 146420990
Test: Build

Change-Id: Iac6c8e429ce424c7f093cac1ddbb32957d083048
diff --git a/media/ndk/NdkMediaFormat.cpp b/media/ndk/NdkMediaFormat.cpp
index c0de4e4..66b5dec 100644
--- a/media/ndk/NdkMediaFormat.cpp
+++ b/media/ndk/NdkMediaFormat.cpp
@@ -368,6 +368,7 @@
 EXPORT const char* AMEDIAFORMAT_KEY_ALBUM = "album";
 EXPORT const char* AMEDIAFORMAT_KEY_ALBUMART = "albumart";
 EXPORT const char* AMEDIAFORMAT_KEY_ALBUMARTIST = "albumartist";
+EXPORT const char* AMEDIAFORMAT_KEY_ALLOW_FRAME_DROP = "allow-frame-drop";
 EXPORT const char* AMEDIAFORMAT_KEY_ARTIST = "artist";
 EXPORT const char* AMEDIAFORMAT_KEY_AUDIO_PRESENTATION_INFO = "audio-presentation-info";
 EXPORT const char* AMEDIAFORMAT_KEY_AUDIO_PRESENTATION_PRESENTATION_ID =
@@ -444,6 +445,7 @@
 EXPORT const char* AMEDIAFORMAT_KEY_LYRICIST = "lyricist";
 EXPORT const char* AMEDIAFORMAT_KEY_MANUFACTURER = "manufacturer";
 EXPORT const char* AMEDIAFORMAT_KEY_MAX_BIT_RATE = "max-bitrate";
+EXPORT const char* AMEDIAFORMAT_KEY_MAX_B_FRAMES = "max-bframes";
 EXPORT const char* AMEDIAFORMAT_KEY_MAX_FPS_TO_ENCODER = "max-fps-to-encoder";
 EXPORT const char* AMEDIAFORMAT_KEY_MAX_HEIGHT = "max-height";
 EXPORT const char* AMEDIAFORMAT_KEY_MAX_INPUT_SIZE = "max-input-size";