Licensing fixups

This moves COPYING to LICENSE and adds OWNERS as per the
"Licensing for ChromeOS contributors" doc.

BUG=none
BRANCH=none
TEST=none

Change-Id: I880c220f3e177e32fa793ec0eabc273877eecca5
Reviewed-on: https://chromium-review.googlesource.com/190066
Commit-Queue: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>

LICENSE

diff --git a/COPYING b/LICENSE
similarity index 100%
rename from COPYING
rename to LICENSE

OWNERS

diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..e7ca0e2
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,2 @@
+dhendrix@chromium.org
+dlaurie@chromium.org