coreos-base/coreos-oem-gce: build by default

This adds the GCE ACI meta-package to board-packages so a binary
package gets built for it on the first build_packages run.

It also moves the CoreOS-specific glibc dependencies from the GCE
Python ebuild onto the meta-package.

sdk_container/src/third_party/coreos-overlay/app-emulation/google-compute-engine/google-compute-engine-20160930.ebuild

@@ -16,7 +16,7 @@ IUSE=""
 
 DEPEND="dev-python/setuptools"
 
-# These dependencies cover everything possibly called by the scripts.
+# These dependencies cover all commands called by the scripts.
 RDEPEND="
 	app-admin/sudo
 	dev-python/boto
@@ -26,8 +26,6 @@ RDEPEND="
 	sys-apps/grep
 	sys-apps/iproute2
 	sys-apps/shadow
-	sys-libs/glibc
-	sys-libs/nss-usrfiles
 "
 
 S="${WORKDIR}/compute-image-packages-${PV}"

sdk_container/src/third_party/coreos-overlay/coreos-base/coreos-oem-gce/coreos-oem-gce-0.0.1.ebuild

@@ -13,4 +13,6 @@ IUSE=""
 
 RDEPEND="
 	app-emulation/google-compute-engine
+	sys-libs/glibc
+	sys-libs/nss-usrfiles
 "

sdk_container/src/third_party/coreos-overlay/coreos-devel/board-packages/board-packages-0.0.1.ebuild

@@ -16,9 +16,9 @@ IUSE=""
 DEPEND=""
 RDEPEND="
 	amd64? (
-		app-emulation/google-compute-engine
 		app-emulation/open-vm-tools
 		app-emulation/wa-linux-agent
+		coreos-base/coreos-oem-gce
 		coreos-base/nova-agent-container
 		coreos-base/nova-agent-watcher
 		dev-lang/python-oem