Revert "Revert "Do not build jemalloc with clang.""

This reverts commit a8788f23efc2d09bf7d3147a35de3e93c0e8c03a.

Change-Id: I65815e5a2815ded9fb75259fe554aff8d712a243
diff --git a/Android.mk b/Android.mk
index d1e2638..7c6fa2f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -79,6 +79,10 @@
 #-----------------------------------------------------------------------
 include $(CLEAR_VARS)
 
+# Temporarily disable clang build for this project:
+#   mips and arm64 do not compile with clang
+LOCAL_CLANG := false
+
 LOCAL_MODULE := libjemalloc
 LOCAL_MODULE_TAGS := optional