Merge "Flag lib link: Use test variant when building test" into main am: 1c233a71

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3267679



Change-Id: I61b79d33be5372862f2b7194c94bcabc13d83da4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>