Fix for crash during voice call ssr

Add a null check in tearDown method

Change-Id: Iae82df387f394f3d1f432e3c0ab2a4d57d943325
CRs-Fixed: 922503
1 file changed
tree: e99214be42fa96eb041b1c715621fa13beb0f0de
  1. res/
  2. src/
  3. tests/
  4. proguard.flags