Add additional text format functions to Google style.

[nseckar]

Summary

This adds a few more function names expecting a text proto argument.

[nseckar]

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clang/lib/Format/Format.cpp

GoogleStyle.RawStringFormats = {
           },
           /*EnclosingFunctionNames=*/
           {
               "EqualsProto",
               "EquivToProto",
               "PARSE_PARTIAL_TEXT_PROTO",
               "PARSE_TEST_PROTO",
               "PARSE_TEXT_PROTO",
+              "ParsePartialTestProto",
+              "ParseTestProto",
               "ParseTextOrDie",
               "ParseTextProtoOrDie",
           },
           /*CanonicalDelimiter=*/"",
           /*BasedOnStyle=*/"google",
       },
   };
   GoogleStyle.SpacesBeforeTrailingComments = 2;