[automerger skipped] Update TEST_MAPPING for VPN tests am: a7655291 -s ours

am skip reason: Merged-In I9da0a93761dacf74c1a77862425fcf34d8cce877 with SHA-1 c0671221 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2984215



Change-Id: I2e8d5c5fb230c72e46ccb65798b63effb76297d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>