Update clang version to clang-r487747c

Test: presubmit
Bug: 279955553
Change-Id: Ibe3b5e81f7850560b340c89a1f83d5ebdf4fc25f
diff --git a/cc/config/global.go b/cc/config/global.go
index 20298dd..530b79a 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -311,7 +311,7 @@
 
 	// prebuilts/clang default settings.
 	ClangDefaultBase         = "prebuilts/clang/host"
-	ClangDefaultVersion      = "clang-r487747b"
+	ClangDefaultVersion      = "clang-r487747c"
 	ClangDefaultShortVersion = "17"
 
 	// Directories with warnings from Android.bp files.