Update to r383902b1.

This brings in a fix for ASan that was requested by partners.

Bug: http://b/167642019
Bug: https://issuetracker.google.com/159095144
Bug: https://issuetracker.google.com/167642019
Test: m
Change-Id: I1471a1e1ebc8a749b78038a8900a1b8d3fd4d017
Merged-In: I34d26da72a36b16491cf328075d817b073acfc0d
diff --git a/cc/config/global.go b/cc/config/global.go
index 57d8db9..473c806 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -128,7 +128,7 @@
 
 	// prebuilts/clang default settings.
 	ClangDefaultBase         = "prebuilts/clang/host"
-	ClangDefaultVersion      = "clang-r383902b"
+	ClangDefaultVersion      = "clang-r383902b1"
 	ClangDefaultShortVersion = "11.0.2"
 
 	// Directories with warnings from Android.bp files.