TelephonyManager.setLine1NumberForDisplay should return a boolean.
TelephonyManager.setLine1NumberForDisplay should return a boolean.

The call can fail and should return the success status of the call.

Bug: 18571337
Change-Id: I610c9527b3ae3bd9e1eee5e442da3196c8f2487d

md5555/android_packages_services_Telephony