Switch to clang-r353983c

Test: TreeHugger
Bug: 129712936
Change-Id: I15f1db69de86ad8b9f2a0ae086fa2df87835948a
diff --git a/cc/config/global.go b/cc/config/global.go
index 8fc9ff2..0a7d984 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -121,8 +121,8 @@
 
 	// prebuilts/clang default settings.
 	ClangDefaultBase         = "prebuilts/clang/host"
-	ClangDefaultVersion      = "clang-r353983b"
-	ClangDefaultShortVersion = "9.0.2"
+	ClangDefaultVersion      = "clang-r353983c"
+	ClangDefaultShortVersion = "9.0.3"
 
 	// Directories with warnings from Android.bp files.
 	WarningAllowedProjects = []string{