Update string used as summary when an option is disabled by policy.
Update string used as summary when an option is disabled by policy.

Bug: 25603665
Change-Id: Ibc37fe8f8ab3ae9da9a04a8e18f480ce0e727de4

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base