Fix OOB write in build_read_multi_rsp of gatt_sr.cc am: e5ab6c61 am: 0a512694

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/28218275



Change-Id: I53afaab586d5bd9f939dfa45874d650680d5e5de
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>