[automerger skipped] RESTRICT AUTOMERGE: Catch exceptions from setLockCredential() am: 50cb0a35c9 -s ours am: 67c4be1e52 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/24301339

Change-Id: I515531813168c1ada9b72703ef3080cf7dc21ed4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>