Merge "system/btif: Fix -Wmissing-prototypes errors" into main am: 8eaaf67d am: 949ecff9

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3289105



Change-Id: Ia575a10491886cc4183156d751df34b6c7926baf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>