add linker64 and debuggerd64 to all products

Add linker64 and debuggerd64 to embedded.mk.  They will be silently
ignored on 32-bit builds, and filtered out on 32-bit sdk builds.

Change-Id: I8c30ea65e2b7e224ee73cc9fbbcb7555d3be04b5
diff --git a/target/product/embedded.mk b/target/product/embedded.mk
index d370af9..ada1323 100644
--- a/target/product/embedded.mk
+++ b/target/product/embedded.mk
@@ -22,6 +22,7 @@
     adbd \
     bootanimation \
     debuggerd \
+    debuggerd64 \
     dumpstate \
     dumpsys \
     gralloc.default \
@@ -58,6 +59,7 @@
     libui \
     libutils \
     linker \
+    linker64 \
     logcat \
     logwrapper \
     mkshrc \