Merge "Add exported_java_aconfig_library" into main am: 18c95eca

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



Change-Id: Ia2631f5335981e881d9da56c55e7eb848c8311a5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>