am 474c7042: merge in master-release history after reset to...

am 474c7042: merge in master-release history after reset to 931e6a86

* commit '474c7042': (27 commits)
  Fix bug #15001610 Java crash in settings is observed while adding Google account on wiped device
  Fix bug #15109661 Settings crash after tap on back key from print settings
  [WifiSettings] Fix NullPointerException during setup
  Allow restore instance before setValues() in ListDialogPreference
  Add a CREATOR in DashboardCategory to support Parcelable
  Fix crash on settings launch in secondary user.
  Fix crash when adding account
  Fix settings crash during pathological rotate.
  Fix bug #14228591 NPE in settings app when it is launched by UiAutomator
  Fix bug #13744434 Stability: ISE in Settings: Can't switch to header... ..that has no Fragment nor Intent at SettingsActivity.onHeaderClick(SettingsActivity.java:654)
  Add more logging for onHeaderClick(...)
  Fix bug #13794200 Settings crash when screen is locked and Power Usage... ...Settings is launched with an Intent
  Re-enable on/off switch for Wi-Fi and Bluetooth Settings
  Fix bug #13563247 Settings crash on launch in secondary user
  Fix bug #13394626 Settings app crashes on changing orientation to landscape mode
  Fix bug #13300024 Settings app crashes on changing device orientation
  Fix Fragment BackStack and Titles
  Fix bug #12957032 Stability-Sys: Java crash in com.android.settings: java.lang.NullPointerException: ...Attempt to invoke virtual method 'boolean android.os.Handler.sendEmptyMessage(int)' on a null object reference
  There are several painful issues with the initial CL. Doing a revert for now and will rework this.
  Fix bug #12910775 Settings crash after tap on Access Point Names under Mobile networks
  ...