Update git submodules

* Update plugins/download-commands from branch 'stable-2.15'
  to cfed9533017919eba8ae89e27929651c7d37c0a5
  - Merge branch 'stable-2.14' into stable-2.15
    
    * stable-2.14:
      GitDownloadCommand: Use Logger's built-in string formatting
    
    Change-Id: I4ae4ba2d1de673419682f9965b2838593c3d9515
    
  - GitDownloadCommand: Use Logger's built-in string formatting
    
    Change-Id: Id08fb3af477607c7a0237672d56fe448bdce3b55
    

* Update plugins/reviewnotes from branch 'stable-2.15'
  to eb09af38459c25ba3056b4f4ee0ef181f42915b2
  - Merge branch 'stable-2.14' into stable-2.15
    
    * stable-2.14:
      CreateReviewNotes: Use Logger's built-in string formatting
    
    Change-Id: I2d2dd1d24734cc43997cceb7efd57fc72b415d06
    
  - CreateReviewNotes: Use Logger's built-in string formatting
    
    Change-Id: Iffb19f9a9d370dcc0b476421028ec608d715d0df
    
diff --git a/plugins/download-commands b/plugins/download-commands
index 43656ce..cfed953 160000
--- a/plugins/download-commands
+++ b/plugins/download-commands
@@ -1 +1 @@
-Subproject commit 43656ce1658a56834cfe62760eafbb9b17c7ad53
+Subproject commit cfed9533017919eba8ae89e27929651c7d37c0a5
diff --git a/plugins/reviewnotes b/plugins/reviewnotes
index 5e6d0fb..eb09af3 160000
--- a/plugins/reviewnotes
+++ b/plugins/reviewnotes
@@ -1 +1 @@
-Subproject commit 5e6d0fb102a2d5486c94a0ea7463efd1508f5ade
+Subproject commit eb09af38459c25ba3056b4f4ee0ef181f42915b2