Revert "Switch NDK libc++ from prebuilts/ndk to prebuilts/clang"

Revert submission 3195358-ndk-libcxx

Reason for revert: Droidmonitor created revert due to b/356220894. Will be verifying through ABTD before submission.

Reverted changes: /q/submissionid:3195358-ndk-libcxx

Change-Id: Ic9cd3d30637d5ac187d3fc80b34d45083f37064e
diff --git a/cc/cc_test.go b/cc/cc_test.go
index b1c0945..ccdaae5 100644
--- a/cc/cc_test.go
+++ b/cc/cc_test.go
@@ -2760,7 +2760,7 @@
 		"external/foo/libarm",
 		"external/foo/lib32",
 		"external/foo/libandroid_arm",
-		"defaults/cc/common/ndk_libc++_shared_include_dirs",
+		"defaults/cc/common/ndk_libc++_shared",
 	}
 
 	conly := []string{"-fPIC", "${config.CommonGlobalConlyflags}"}