Merge "Remove gatt_robust_caching_client flag" into main am: 65aa9056

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2996717



Change-Id: Ie6a4b8d7e5819f65d6b52174605d8071867bbb1e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>