Merge "codec2: enc stat: add mapper for picture_type_t" into tm-dev am: a2ac684a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/18351019



Change-Id: Ia318b4d89255959a94f2be4063ff50f858486f5e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>