Merge "Make gd exports flatbuffers headers" into main am: 07bfcc3b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2691807



Change-Id: If97b67ab52f694853ee66a3be4f052a2796297c7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>