Add layoutlib-tests to sdk build.

Change-Id: I9087da4484b23f8eb0602210006038a395047a79

envsetup.sh

@@ -700,6 +700,7 @@ function mmm()
                 fi
             fi
         done
+        echo "ONE_SHOT_MAKEFILE=$MAKEFILE make -C $T $DASH_ARGS all_modules $ARGS"
         ONE_SHOT_MAKEFILE="$MAKEFILE" make -C $T $DASH_ARGS all_modules $ARGS
     else
         echo "Couldn't locate the top of the tree.  Try setting TOP."

target/product/sdk.mk

@@ -121,7 +121,8 @@ PRODUCT_PACKAGES += \
 	ninepatch-tests \
 	common-tests \
 	sdklib-tests \
-	sdkuilib-tests
+	sdkuilib-tests \
+	layoutlib-tests
 
 PRODUCT_PACKAGE_OVERLAYS := development/sdk_overlay