Add libc_malloc_debug to the always build list.

Change-Id: I26e553478b5ef4017aea1e06530931d4b18e308b
diff --git a/target/product/embedded.mk b/target/product/embedded.mk
index 2428585..28aa37b 100644
--- a/target/product/embedded.mk
+++ b/target/product/embedded.mk
@@ -41,6 +41,7 @@
     libGLESv3 \
     libbinder \
     libc \
+    libc_malloc_debug \
     libcutils \
     libdl \
     libgui \