Merge "gattc: Remove definitions for unused event BTA_GATTC_ACL_EVT" into main am: 1268c1b6

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3108801



Change-Id: Ifeaf8c92ec376e528466f9e2b590a3d182962cdf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>