Merge changes Ib484fc0c,I2b9ff69c,I0a31b117,I888c65c8,I03723cfe, ...

* changes:
  Clean <plurals> in DateTimeView
  Clean <plurals> in CertificateMonitor
  Clean <plurals> in FillUi
  Clean <plurals> in BugreportProgressService
  Clean <plurals> in keyguard
  Clean <plurals> in ChooserActivity
  Clear <plurals> in TextUtils
  Clean <plurals> in FindActionModeCallback
  Clean <plurals> in ZenModeConfig
  Add util class for plurals