Add read-only mode to ZFile.
am: e35235f71f

Change-Id: I9c4797cc2f740e971d4cb1aafc3d755338696d85
tree: 4db1758f69c0e87d411bb2c8dde6beda1f0ef6ea
  1. src/
  2. apkzlib.iml
  3. BUILD
  4. build.gradle