Update git submodules

* Update external/vogar from branch 'master'
  to cd0af4ae56159d7fff41adeca665e1beaee00057
  - Fix vogar-tests
    
    Bug: 138994281
    Test: m vogar-tests && java -cp ./out/host/linux-x86/framework/vogar-tests.jar       org.junit.runner.JUnitCore vogar.AllTests
    Change-Id: I6a739163bea1ce48cae1b05bae320a30e0d84c66
    
1 file changed