Merge "Revert "Precompute cursor indexes in DocumentsUI and improve perf by 2.7%."" into nyc-dev am: ee6d8be
am: 38429fe

* commit '38429fe4a604ed352dbf9f666a0380fbc9b008c0':
  Revert "Precompute cursor indexes in DocumentsUI and improve perf by 2.7%."

Change-Id: Ifbd1fcff84c3745683aeca4c61bdecedf34fe5eb