Add explicit methods to enact contextual callback am: 5c8ab1b7

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3018408



Change-Id: Ie172049d816f0653a92dd395e509a3b51720ffe4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>