Merge "Add "exported" mode to xx_aconfig_library build rules" into main am: 692f54ba

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2825162



Change-Id: I184d7cb28576ef140eea6da48013dc416918baa4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>