Add gradle support

Change-Id: Ieb4ccb72b63ed5763e3c7c828c3b7efe7c106bd0
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b0f1df6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+.gradle
+.idea
+bin
+build
+gen
+local.properties
+*.DS_Store
+*~
+*.swp
+*.swo
+*.iml