Fix an OOB bug in btm_read_rssi_complete am: 047a68b1 am: c88c328b am: aff62152

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/20697157



Change-Id: Ibd83e8dcc31b5bf26449efb69811edac209ef671
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>