DO NOT MERGE Fix externally reported security vulnerability.

Fixing a security vulneraibility in SIP Boradcast Receiver from an
externally provided patch.

BUG: 22538035
Change-Id: Idcb559a21abe395faa87d1f9a28175f4c0889130
(cherry picked from commit 92046786888fffed209db0dc7d8ab5653fc4e8f6)
1 file changed