Add new "wm" command.

Change-Id: I2415b7696b1d310233a5202b42df5f80f02f4b9f
diff --git a/target/product/base.mk b/target/product/base.mk
index a90a7f0..609f0cc 100644
--- a/target/product/base.mk
+++ b/target/product/base.mk
@@ -102,6 +102,10 @@
     tc \
     vdc \
     vold \
-    webview
+    webview \
+    wm
+
+PRODUCT_COPY_FILES += \
+    frameworks/base/cmds/wm/wm:system/bin/wm \
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/embedded.mk)