Update git submodules

* Update platform/manifest from branch 'master'
  to a938c0b0706a6f5680d2a07b269df84b09b1b463
  - DO NOT MERGE ANYWHERE - Update master to use main branch.
    
    Bug: b/289400079
    Change-Id: If380fbba52cf2f288b7d2f8f90affcafa9f14475
    
diff --git a/platform/manifest b/platform/manifest
index cd322d5..a938c0b 160000
--- a/platform/manifest
+++ b/platform/manifest
@@ -1 +1 @@
-Subproject commit cd322d5413865145d0b24cc14bc66411ca9e4524
+Subproject commit a938c0b0706a6f5680d2a07b269df84b09b1b463