tree fd6b872dae2806ef1ab7e13c2651659135895ea4
parent a2fa3d219bc148c196b0eb3cf7b3b1bd453e830b
author Nancy Chen <nancychen@google.com> 1422171027 -0800
committer Nancy Chen <nancychen@google.com> 1422171122 -0800

Add method in TelecomManager to return line1Number for a PhoneAccount.

Since we do not want to expose SubIds in the app layer, we need a
wrapper to extra the subId from a PhoneAccount and return the
value of TelephonyManager#line1Number.
Also update error strings to be more consistent.

Bug: 19087382
Change-Id: Ie5a474d45336921d1007b36a4d26cd4da68f8b91