Merge "media: protect around set_callback_stall aconfig flag access" into main am: de189371ec am: db25f3d385

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3191670

Change-Id: I7e6c27d21d3a371cb1def2d35a59fc18c59931ad
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>