Update git submodules
Update git submodules

* Update plugins/delete-project from branch 'stable-3.0'
  to 0ddc5bbe3bca127d9bba8a59ba7bf5a72094aed9
  - Merge branch 'stable-2.16' into stable-3.0
    
    * stable-2.16:
      DeletePreconditionsTest: Replace ExpectedException with assertThrows
      Bump Bazel version to 2.0.0
      Upgrade bazlets to latest stable-2.16 to build with 2.16.15 API
      Upgrade bazlets to latest stable-2.16 to build with 2.16.14 API
    
    Change-Id: I4105e50460505dee4ab392dcc55b97860f26b8ce
    
  - DeletePreconditionsTest: Replace ExpectedException with assertThrows
    
    Change-Id: I6d98f81c930574aaad3fd8fe3a79381551b4ab79
    
  - Bump Bazel version to 2.0.0
    
    Change-Id: I67bdbde9496ef331bd3107a21f765114cc0751ee
    
  - Upgrade bazlets to latest stable-2.16 to build with 2.16.15 API
    
    Change-Id: I6f7d7e7070018d438f723d02ac260d5f6869051a
    
  - Upgrade bazlets to latest stable-2.16 to build with 2.16.14 API
    
    Change-Id: I84532274fe202372b29d326f24920f932fd068d1
    
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