1011f4870c
getDefaultDialerPackage is a public API and will be used by apps to determine if they are the default dialer. getSystemDialerPackage is a hidden API and is only used by system components. Also add new public string constants to allow apps to show a dialog requesting that the user change the current default dialer. Bug: 20304458 Change-Id: I121d36741474c1fe171c372fb766a6c128228c9c