[automerger skipped] [GATT] Ensure synchronized when adding a value am:...

[automerger skipped] [GATT] Ensure synchronized when adding a value am: a80029a7 -s ours am: 26262596 -s ours

am skip reason: Merged-In I1ab7ea1d5ea78952ea6761e7dc6c3c455059b269 with SHA-1 0e85068c is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/20623542



Change-Id: I487dd0baebf00508aba74b0571e2ba7b49507d81
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>