Update git submodules
Update git submodules

* Update plugins/delete-project from branch 'master'
  to 3eb70e3aee5206bfb9d6c1c4dfdd3c92dab56bae
  - Merge branch 'stable-2.16'
    
    * stable-2.16:
      Format Java files with google-java-format 1.7
      Upgrade bazlets to latest stable-2.16
      Upgrade mockito-core to 2.25.0
      Upgrade bazlets to latest stable-2.15
      Upgrade bazlets to latest stable-2.14
      Update bazlets to fix build with bazel 0.23
      Update bazlets to fix build with bazel 0.23
      Upgrade bazlets to latest stable-2.16 to build with 2.16.6 API
      Upgrade bazlets to latest stable-2.15 to build with 2.15.11 API
    
    Change-Id: I19d2ab64b3dc83c1221f10a4a8726ec0b54e71d2
    
  - Merge branch 'stable-2.15' into stable-2.16
    
    * stable-2.15:
      Format Java files with google-java-format 1.7
      Upgrade mockito-core to 2.25.0
      Upgrade bazlets to latest stable-2.15
      Upgrade bazlets to latest stable-2.14
      Update bazlets to fix build with bazel 0.23
      Update bazlets to fix build with bazel 0.23
    
    Change-Id: I3c7cfa39367c113e71ef8356097583e88b2cb7ce
    
  - Merge branch 'stable-2.14' into stable-2.15
    
    * stable-2.14:
      Format Java files with google-java-format 1.7
    
    Change-Id: I659914939518eb24b6e43df846ac27dd08a70d9d
    
  - Format Java files with google-java-format 1.7
    
    Change-Id: I868d0a9cecbed16735910f41fd52fcb676fc1421
    
  - Upgrade bazlets to latest stable-2.16
    
    - Avoid using deprecated depset union
    - Automatically fix lint errors with buildifier
    - Use target JDK for GWT compilation
    
    Change-Id: I0c737e8969375562c57951fe177c0f50032a5ac4
    
  - Merge branch 'stable-2.14' into stable-2.15
    
    * stable-2.14:
      Upgrade mockito-core to 2.25.0
    
    Change-Id: I4cc281946a4ec23540c2cf0f8a2c23e89bedda33
    
  - Upgrade mockito-core to 2.25.0
    
    Change-Id: I9439a249ee5d7c2e95407ba2556c6b7b84262772
    
  - Merge branch 'stable-2.14' into stable-2.15
    
    * stable-2.14:
      Upgrade bazlets to latest stable-2.14
      Update bazlets to fix build with bazel 0.23
    
    Change-Id: Ibe6b8df4c0959aefbb2185df2d3940c760fa7bf2
    
  - Upgrade bazlets to latest stable-2.15
    
    - Avoid using deprecated depset union
    
    Change-Id: Ie3a94fa1bae439431f7f1f0cae13806500d48a58
    
  - Upgrade bazlets to latest stable-2.14
    
    - Avoid using deprecated depset union
    
    Change-Id: I0f56e2705f20496b970b3aa8e774daa555c1ba34
    
  - Update bazlets to fix build with bazel 0.23
    
    - Use target JDK for GWT compilation
    
    Bug: Issue 10536
    Change-Id: Ia8162d83ce616d9f571f57a34228b57f7fe4e1d3
    
  - Update bazlets to fix build with bazel 0.23
    
    - Use target JDK for GWT compilation
    
    Bug: Issue 10536
    Change-Id: Ia8162d83ce616d9f571f57a34228b57f7fe4e1d3
    
  - Upgrade bazlets to latest stable-2.16 to build with 2.16.6 API
    
    Change-Id: I33e6a621d5890b969075dd9726cc12781717cbe2
    
  - Merge branch 'stable-2.15' into stable-2.16
    
    * stable-2.15:
      Upgrade bazlets to latest stable-2.15 to build with 2.15.11 API
    
    Change-Id: I2aabd0cc73e09b3a92d908c96208369ab3c34183
    
  - Upgrade bazlets to latest stable-2.15 to build with 2.15.11 API
    
    Change-Id: Ia7d0f75154b61c31d9f8ffaca9beb205decde221
    
GerritCodeReview/gerrit,GerritCodeReview/gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,qtproject/qtqa-gerrit,qtproject/qtqa-gerrit,qtproject/qtqa-gerrit,qtproject/qtqa-gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit