Update git submodules

* Update plugins/delete-project from branch 'master'
  to 53311c006635e83faaa7a1b68039edebe0fe8e43
  - Merge branch 'stable-2.16'
    
    * stable-2.16:
      Upgrade bazlets to latest stable-2.16 to build with 2.16.7 API
      Upgrade bazlets to latest stable-2.15 to build with 2.15.12 API
      Upgrade bazlets to latest stable-2.14 to build with 2.14.19 API
      Update bazlets to latest stable-2.16 to get fixed js.bzl
    
    Change-Id: If78df19176171779d5b77534a20d22e596994b51
    
  - Upgrade bazlets to latest stable-2.16 to build with 2.16.7 API
    
    Change-Id: Iccd998a6e145174bac887648c7690cf0f09984dd
    
  - Merge branch 'stable-2.15' into stable-2.16
    
    * stable-2.15:
      Upgrade bazlets to latest stable-2.15 to build with 2.15.12 API
      Upgrade bazlets to latest stable-2.14 to build with 2.14.19 API
    
    Change-Id: I634a5a19eece613664ce2b3d8bb816cab8d485bd
    
  - Upgrade bazlets to latest stable-2.15 to build with 2.15.12 API
    
    Change-Id: Ia24be6b619b4d0ccaa849031aa8b098d2fb32e07
    
  - Merge branch 'stable-2.14' into stable-2.15
    
    * stable-2.14:
      Upgrade bazlets to latest stable-2.14 to build with 2.14.19 API
    
    Change-Id: I4d3313e92500258f30fe999a64a5f7d03870a41e
    
  - Upgrade bazlets to latest stable-2.14 to build with 2.14.19 API
    
    Change-Id: Idecfe87653cc074eeee7f548bcf0d4da678282c1
    
  - Update bazlets to latest stable-2.16 to get fixed js.bzl
    
    Bug: Issue 10603
    Change-Id: I3874d5e83303c268193ff5fdc9516f2576f25207
    
diff --git a/plugins/delete-project b/plugins/delete-project
index 3eb70e3..53311c0 160000
--- a/plugins/delete-project
+++ b/plugins/delete-project
@@ -1 +1 @@
-Subproject commit 3eb70e3aee5206bfb9d6c1c4dfdd3c92dab56bae
+Subproject commit 53311c006635e83faaa7a1b68039edebe0fe8e43