dumpsys: Extract flatbuffer to allow additional implementations am: 3939ac52...

dumpsys: Extract flatbuffer to allow additional implementations am: 3939ac52 am: ea758137 am: 702274d3

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2883078



Change-Id: Ieb4c3679e4f007bf9db709f46584a70e01be4635
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>