am ef703f60: Merge change I98276091 into eclair-mr2

Merge commit 'ef703f60d5c00527048fdaf1c24984762f6fd434' into eclair-mr2-plus-aosp

* commit 'ef703f60d5c00527048fdaf1c24984762f6fd434':
  Change to a int64_t usecs representation for timestamps and duration throughout stagefright.