Change to use new location of shflags

BUG=chromium-os:21742
TEST=manual verify this works with new dev-utils/shflags package

Change-Id: Idab182a0854e55b2444dbc6b87b73346d9466643
Reviewed-on: https://gerrit.chromium.org/gerrit/10476
Reviewed-by: Mike Frysinger <[email protected]>
Commit-Ready: Sonny Rao <[email protected]>
Tested-by: Sonny Rao <[email protected]>
1 file changed