am 687545fc: am 5a7691f0: am e8543418: Merge change I7c0d20a7 into eclair

Merge commit '687545fc9ee79124229152df1236c53ba7d71215'

* commit '687545fc9ee79124229152df1236c53ba7d71215':
  Run the metadataretriever at background priority. Bug 2187133.