Switch from clang-r377782 to clang-r377782b

Bug: 149509676
Test: make checkbuild
Change-Id: I30c4cda700522968da443cebd3a67a1c428ba2ef
diff --git a/cc/config/global.go b/cc/config/global.go
index 57a5852..d01dd84 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -127,8 +127,8 @@
 
 	// prebuilts/clang default settings.
 	ClangDefaultBase         = "prebuilts/clang/host"
-	ClangDefaultVersion      = "clang-r377782"
-	ClangDefaultShortVersion = "10.0.3"
+	ClangDefaultVersion      = "clang-r377782b"
+	ClangDefaultShortVersion = "10.0.4"
 
 	// Directories with warnings from Android.bp files.
 	WarningAllowedProjects = []string{