staging: android: ion: fix up file mode

An older accidentally changed this to executable, so fix it back up.

Gotta love windows editors...

Change-Id: I6a142f3506dcccdb35f56e8e27fe7706321882ac
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Git-commit: f75baf8d90bf45221694a1a5f0e5acdcb3245760
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: Shiraz Hashim <shashim@codeaurora.org>