Merge "Increase char limit for blur dev option string" into sc-dev am: cf3e019b am: 0b58b965 am: 9641ddaa

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14891409

Change-Id: I968b3aff4e9a827ad9b693f1c3c0e119c534487a