Merge "Make int32_t conversion explicit" into main am: c36f3abc am:...

Merge "Make int32_t conversion explicit" into main am: c36f3abc am: 59c17004 am: 4926e4a2 am: f87af12b am: 7bed6b8e

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2751929



Change-Id: I48ef2e6f4676a5791b308338df736c70c2954df0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>