Add groups="common" on new repos

Change-Id: Ibc3bd116a8e029e9e7b05d037949b94f7f24c57e
Signed-off-by: Bernhard Rosenkränzer <Bernhard.Rosenkranzer@linaro.org>
Merge remote-tracking branch 'linaro/linaro_android_4.4' into linaro_android_4.4
Merge branch 'linaro_android_4.4' of github.com:Team-Hydra/linaro_manifest into linaro_android_4.4