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

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

Change-Id: I0fed9b5fcecccc38b00b20b661ebe683d1d824ea
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>