Remove non-updatable contribution from android_test_stubs_current_contributions am: 1c5022b9c3 am: be5c613065 am: 2a8f3febe1 am: af685d6024

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2756399

Change-Id: I76fa2fd6497304624f136aaffa7648bd42d520a2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>