Import Cobalt 19.master.0.203780

Includes the following patches:
  https://cobalt-review.googlesource.com/c/cobalt/+/5210
    by errong.leng@samsung.com
  https://cobalt-review.googlesource.com/c/cobalt/+/5270
    by linus.wang@samsung.com
diff --git a/src/third_party/llvm-project/clang-tools-extra/test/modularize/NoProblemsCoverage.modularize b/src/third_party/llvm-project/clang-tools-extra/test/modularize/NoProblemsCoverage.modularize
new file mode 100644
index 0000000..bcb06f8
--- /dev/null
+++ b/src/third_party/llvm-project/clang-tools-extra/test/modularize/NoProblemsCoverage.modularize
@@ -0,0 +1 @@
+# RUN: modularize -I Includes1 -I Includes2 %S/Inputs/CoverageNoProblems/module.modulemap