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

Merge "Add "exported" mode to xx_aconfig_library build rules" into main am: 692f54ba am: 67f7715a

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



Change-Id: I68b3fb9e3196198327b2be851fc6217b7c39210b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>