[automerger skipped] Added missing outlineVariant token from Material am: c7b5a2b2 -s ours

am skip reason: Merged-In Ib84c97b8139c4042dfc06e34f32281483dba47db with SHA-1 2c2a70f7 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22141762



Change-Id: Id7d272a3183a34065e48a92fa28696d1885c9489
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>