Fix OOB write in build_read_multi_rsp of gatt_sr.cc am: e5ab6c61 am: 0a512694 am: 538fb74d

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



Change-Id: I095b6e2e4e02f2c576e897e79396899b886537cf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>