Set '*' as OWNERS for Source/testing/
Set '*' as OWNERS for Source/testing/

Currently, there is no OWNERS file for Source/testing/ and the fallback path is
to Source/. This change adds an OWNERS file for Source/testing/ with contents
'*', to match the OWNERS of LayoutTests/.

R=abarth

Review URL: https://chromiumcodereview.appspot.com/18287002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@153312 bbb929c8-8fbe-4397-9dbb-9b2b20218538

primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs