am 4383e5db: Merge "Use mInCallActivity if mContext is null." into lmp-mr1-dev

* commit '4383e5db52f0c5b6cb117141114e7394e3d68a2c':
  Use mInCallActivity if mContext is null.
tree: 5341fde108154445118671f60bb04b2a437a69bd
  1. InCallUI/