am 531a41a8: am e51f0e30: Replace placeholder subject bubble asset with a drawable resource.

* commit '531a41a88509ad8f5c03a782c8d2bfecd0574e9f':
  Replace placeholder subject bubble asset with a drawable resource.
tree: bfcd34d077ce708764f7a6dbf865b5d4cb460d69
  1. InCallUI/