Merge "Make ScopedAIBinder_Weak::promote() a const function." am: 376193980c

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2239069

Change-Id: Ia0ddfa1ee87744c19e7f5a4e8295027a8bab3d77
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>