update .gitignore config file so that we do not have to scroll through
the unstaged items to pick which one to stage.

Change-Id: I317e95fd74455999c957bf5434a8c7cb78afc3b2
diff --git a/.gitignore b/.gitignore
index 4d5667e..aea5d61 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,9 @@
 *.iml
 .project
 .classpath
+.project.properties
 gen/
 tests/stress/gen/
 WallpaperPicker/gen/
+WallpaperPicker/.project.properties
+bin/