Merge "Update test: true to mode: "test" in java_aconfig_library" into main am: 5682b4bf02

Original change: https://android-review.googlesource.com/c/platform/development/+/2825592

Change-Id: I30f0cff6eb9a9ae61b803c62f6dca995d3fd1e6b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>