am fc133135: am 29d225c9: Set a default value for TARGET_BUILD_DENSITY

* commit 'fc13313551dec50e60fbed36f64b08dbfe5bf888':
  Set a default value for TARGET_BUILD_DENSITY
diff --git a/envsetup.sh b/envsetup.sh
index 1d7211f..58794e2 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -601,6 +601,9 @@
     if [ -z "$apps" ]; then
         apps=all
     fi
+    if [ -z "$density" ]; then
+        density=alldpi
+    fi
 
     export TARGET_PRODUCT=$product
     export TARGET_BUILD_VARIANT=$variant