tree b7817538676db09fb3ef22ed578c4a4c0f091270
parent c8482b39f10784d123b807cf8c9d6c2633900e8b
author Jack Yu <jackyu@google.com> 1537206400 -0700
committer Jack Yu <jackyu@google.com> 1538518603 -0700

Use locale language instead of harcoded langauge

Used the locale language instead of the hardcoded language since
ISO 639 is not a stable standard. Some language codes changed before.

This is part of the cell broadcast language filtering feature
added per U.S. FCC requirement.

Test: Manual
Bug: 110754638, 71497689, 110896497
Merged-In: I3cf42eb037cdbb40597c1053fedb36b478277fc9
Change-Id: I3cf42eb037cdbb40597c1053fedb36b478277fc9
(cherry picked from commit 28e9684705e63b5bb6c4a6d30fcf0809801b483f)
(cherry picked from commit 232b237b0fdc68cbe234d9d987161f8a7922995c)