project-lakitu: Upgrade cos-gpu-installer-v2 to v2.0.9 in cos-extensions

cos-gpu-installer-v2:v2.0.9 added the support for(compared to v:2.0.6):
1. Passing x11 specific arguments to the driver installer
2. Improve error handling for GPU installation by adding verbose error messages
3. Optimize GPU installation logs when not using `--debug` flag

BUG=b/164222148, b/164222088, b/159475619
TEST=presubmit
RELEASE_NOTE=Upgrade cos-gpu-installer-v2 to v2.0.9 in cos-extensions.

Change-Id: Idb1bcdfea1b5251beae95148f29ea56b962961af
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/20614
Reviewed-by: Ke Wu <mikewu@google.com>
Tested-by: Arnav Kansal <rnv@google.com>
diff --git a/project-lakitu/app-admin/extensions-manager/extensions-manager-0.0.1-r7.ebuild b/project-lakitu/app-admin/extensions-manager/extensions-manager-0.0.1-r8.ebuild
similarity index 100%
rename from project-lakitu/app-admin/extensions-manager/extensions-manager-0.0.1-r7.ebuild
rename to project-lakitu/app-admin/extensions-manager/extensions-manager-0.0.1-r8.ebuild
diff --git a/project-lakitu/app-admin/extensions-manager/files/cos-extensions.sh b/project-lakitu/app-admin/extensions-manager/files/cos-extensions.sh
index 6c7a73e..3a7efef 100755
--- a/project-lakitu/app-admin/extensions-manager/files/cos-extensions.sh
+++ b/project-lakitu/app-admin/extensions-manager/files/cos-extensions.sh
@@ -12,7 +12,7 @@
 
 readonly PROG_NAME=$(basename "$0")
 readonly COS_GPU_INSTALLER="${COS_GPU_INSTALLER:-\
-gcr.io/cos-cloud/cos-gpu-installer:v2.0.6}"
+gcr.io/cos-cloud/cos-gpu-installer:v2.0.9}"
 readonly OS_RELEASE="/etc/os-release"
 readonly EXTENSIONS_CACHE="/var/lib/cos-extensions"