am 67f1db1c: Merge change Ib1f5ee41 into eclair-mr2

Merge commit '67f1db1cd1ed4af67c76c52542f753af57aa0a85' into eclair-mr2-plus-aosp

* commit '67f1db1cd1ed4af67c76c52542f753af57aa0a85':
  It's important that seek requests are only specified in the initial call to MediaSource::read and are not repeated in subsequent calls.