[clang-format] Adds space around braces in text protos

Summary:
This patch modifies the text proto Google style to add spaces around braces.

I investigated using something different than Cpp11BracedListStyle, but it turns out it's what we want and also the java and js styles also depend on that.

Reviewers: djasper

Reviewed By: djasper

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D42685

llvm-svn: 323860
diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index c598a28..631d186 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -750,6 +750,7 @@
   } else if (Language == FormatStyle::LK_Proto) {
     GoogleStyle.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None;
     GoogleStyle.SpacesInContainerLiterals = false;
+    GoogleStyle.Cpp11BracedListStyle = false;
   } else if (Language == FormatStyle::LK_ObjC) {
     GoogleStyle.ColumnLimit = 100;
   }