Merge "Add exported_java_aconfig_library" into main am: 18c95eca am: 85be90aa am: 1337f678

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2838358



Change-Id: Ibd7e973419ba8dad61de3a9b32edb1327b880d60
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>