Fix sdcard truncates.

Use truncate64 instead of truncate so we don't truncate (ho ho) the offset.

(cherrypick of 4568565e85bf2e1ea11b2e09d72e244088c05dbc.)

Bug: https://code.google.com/p/android/issues/detail?id=74039
Change-Id: I63711ccd299e3ebc475563b1999817d1919571ab
1 file changed