[Pandora] Add helper script to generate coverage am: 843a26d4

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/20139234



Change-Id: Ib3a2d847454078076ebd7c2e811b9f30f384d98c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>