codec_fwk: add codec availability support feature flag

Bug: 363282971
Flag: android.media.codec.codec_availability_support
Test: presubmit
Change-Id: I2f5d622db937c8bc66754a8480b9f531ba64d7a5
diff --git a/media/aconfig/codec_fwk.aconfig b/media/aconfig/codec_fwk.aconfig
index 96fb3e3..af82982 100644
--- a/media/aconfig/codec_fwk.aconfig
+++ b/media/aconfig/codec_fwk.aconfig
@@ -29,6 +29,13 @@
 }
 
 flag {
+  name: "codec_availability_support"
+  namespace: "codec_fwk"
+  description: "Feature flag for codec availability HAL API implementation"
+  bug: "363282971"
+}
+
+flag {
   name: "codec_buffer_state_cleanup"
   namespace: "codec_fwk"
   description: "Bugfix flag for more buffer state cleanup in MediaCodec"