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

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



Change-Id: I898e7f5bafdb9114d90f8a1061d1804efcf060dd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>