Android 3.0 release 1.3
ext4_utils: Convert all build target tags to optional

A typo in the build target tags was causing them all to be
left blank.  use_e2fsprogs_module_tags is unused now, so
change all targets to optional.

Change-Id: Ie6cf18b8443c9b09b8b9e88fac3569b5527fec64
9 files changed