am e8edf08f: Perform only one garbage collection before attempting a trim.

Merge commit 'e8edf08f04ecbe37f3e18a650a7c9002ceee4275' into gingerbread-plus-aosp

* commit 'e8edf08f04ecbe37f3e18a650a7c9002ceee4275':
  Perform only one garbage collection before attempting a trim.