Update clang version to clang-r487747b

Test: presubmit
Change-Id: I98de36a9f301dee14c21d42e20901eb5aa157164
diff --git a/cc/config/global.go b/cc/config/global.go
index a2d5cf4..0c6e66d 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-r487747"
+	ClangDefaultVersion      = "clang-r487747b"
 	ClangDefaultShortVersion = "17"
 
 	// Directories with warnings from Android.bp files.