Update manifest for new branch

Change-Id: I7b3c1efd78039fa0446da3a90c25ac6896a96d29
Reviewed-on: https://cos-review.googlesource.com/c/cos/manifest/+/53571
Reviewed-by: Vaibhav Rustagi <vaibhavrustagi@google.com>
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
Tested-by: Sejal Sharma <sejalsharma@google.com>

external_full.xml

diff --git a/external_full.xml b/external_full.xml
index f4981b2..c279562 100644
--- a/external_full.xml
+++ b/external_full.xml
@@ -21,7 +21,7 @@
   <remote  name="cos"
            fetch="https://cos.googlesource.com"
            review="https://cos-review.googlesource.com"  />
-  <default remote="cos" revision="refs/heads/master" sync-j="8" />
+  <default remote="cos" revision="refs/heads/release-R109" sync-j="8" />
   <notice>
 Your sources have been sync'd successfully.
   </notice>
@@ -85,18 +85,20 @@
            name="third_party/overlays/chromiumos-overlay" />
   <project path="src/scripts"
            name="third_party/platform/crosutils"
-           revision="refs/heads/main" />
+           revision="refs/heads/release-R109" />
   <project path="chromite"
            name="third_party/chromite"
-           revision="refs/heads/main" />
+           revision="refs/heads/release-R109" />
   <project path="src/platform/vboot_reference"
            name="third_party/platform/vboot_reference"
-           revision="refs/heads/main" />
+           revision="refs/heads/release-R109" />
   <project path="src/compliance"
            name="cos/compliance"
-           revision="refs/heads/main" />
+           revision="refs/heads/release-R109" />
   <project path="src/repohooks"
-           name="cos/repohooks" />
+           name="cos/repohooks"
+           revision="refs/heads/master" />
+
   <project path="src/platform/cobble"
            name="cos/cobble" />
   <project path="manifest" name="cos/manifest" >
@@ -104,16 +106,16 @@
   </project>
   <project path="src/third_party/policymanager"
            name="cos/policymanager"
-           revision="refs/heads/main" />
+           revision="refs/heads/release-R109" />
   <project path="src/third_party/toolbox"
            name="third_party/toolbox"
-           revision="refs/heads/main" />
+           revision="refs/heads/release-R109" />
   <project path="src/third_party/kernel/v5.15"
            name="third_party/kernel"
-           revision="refs/heads/cos-5.15" />
+           revision="refs/heads/release-R109-cos-5.15" />
   <project path="src/third_party/kernel/v6.1"
            name="third_party/kernel"
-           revision="refs/heads/cos-6.1" />
+           revision="refs/heads/release-R109-cos-6.1" />
 
   <repo-hooks enabled-list="pre-upload"
            in-project="cos/repohooks" />