genext2fs: update fs_config calls for capabilities change.

Change-Id: Ib5c903c73d3d8972794e8e3dc596bf71ec0065db
Merge "genext2fs: update fs_config calls for capabilities change."
Merge tag 'android-4.3_r2.1' into jellybean-mr2.1

Android 4.3 release 2.1