Merge "Migrate droidstubs/droiddoc to flags" into main am: 5e416bb876 am: 58b1862d74 am: 5b20874452

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2796122

Change-Id: I044bd7c41250af054f0e996389aca48da1a490b4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>