Fix NPE in onPostDialCharWait

Handle calls to onPostDialCharWait when mInCallActivity is null.

Bug:12021342
Change-Id: Id8da6074f7bd3a0c0962dbaa9246c2de18e6e38b
(cherry picked from commit 01563b04e60e34845ed57d8bb0e90ed01c8462ab)
1 file changed
tree: 8be7bff3775264cc17b1e000b09ebd450f5a79e6
  1. res/
  2. src/
  3. Android.mk
  4. AndroidManifest.xml
  5. proguard.flags