Merge "memory safe bta_dm_search_cb.pending_discovery_queue memory" into main am: 57032ee2

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3021983



Change-Id: I671faa0f502f92774f8fa73f79792d39cc6601e8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>