am e577e87a: Fix a typo in NuCachedSource2 that would trigger an assert near the end of a stream.

Merge commit 'e577e87a2d80890190f14edc4a5caf70d7c566bf' into gingerbread-plus-aosp

* commit 'e577e87a2d80890190f14edc4a5caf70d7c566bf':
  Fix a typo in NuCachedSource2 that would trigger an assert near the end of a stream.