Merge "Increase char limit for blur dev option string" into sc-dev am: cf3e019b am: f388e39f am: d23290a5

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

Change-Id: I38df622f4ee66785d1efd675e39c02c2f4ed9c73