Merge "set exportable to true for aconfig.test.exported.flags" into main am:...

Merge "set exportable to true for aconfig.test.exported.flags" into main am: 07c3faa0 am: 2aba12de

Original change: https://android-review.googlesource.com/c/platform/build/+/2989250



Change-Id: Id5108c730363283166639bd9b937b4c1a2931260
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>