Fix NPE if SmartDialLoaderTask has null context

Add null check for mContext to prevent NPE if somehow
SmartDialLoaderTask receives a null context

Bug: 6977981
Change-Id: Id87b254520a48ad78dc0c579f0fd58d7f7ce270e
1 file changed
tree: 76016eae8ad6a9334cd05e78dbc7c13d2f12aed4
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags