Make KEY_MAX_PTS_GAP_TO_ENCODER and KEY_MAX_FPS_TO_ENCODER keys public

These two keys are in public API now, keep ndk in sync.

Also replaced strings with the defined keys in media code.

bug: 80314065
Change-Id: Ic0d50c10d1f9ab464068223a1a235b95f59f4c98
diff --git a/media/libmedia/NdkWrapper.cpp b/media/libmedia/NdkWrapper.cpp
index 6dbc9b8..81c44cd 100644
--- a/media/libmedia/NdkWrapper.cpp
+++ b/media/libmedia/NdkWrapper.cpp
@@ -95,6 +95,7 @@
 
 static const char *AMediaFormatKeyGroupInt64[] = {
     AMEDIAFORMAT_KEY_DURATION,
+    AMEDIAFORMAT_KEY_MAX_PTS_GAP_TO_ENCODER,
     AMEDIAFORMAT_KEY_REPEAT_PREVIOUS_FRAME_AFTER,
     AMEDIAFORMAT_KEY_TIME_US,
 };
@@ -126,6 +127,7 @@
 static const char *AMediaFormatKeyGroupFloatInt32[] = {
     AMEDIAFORMAT_KEY_FRAME_RATE,
     AMEDIAFORMAT_KEY_I_FRAME_INTERVAL,
+    AMEDIAFORMAT_KEY_MAX_FPS_TO_ENCODER,
     AMEDIAFORMAT_KEY_OPERATING_RATE,
 };