Added gradle support

Change-Id: I204de2aac8eb26bf3509882aa9b52af1c9e39005
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..9c93cd0
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,9 @@
+apply plugin: 'com.android.library'
+
+android {
+    sourceSets.main {
+        manifest.srcFile 'AndroidManifest.xml'
+        java.srcDirs = ['src']
+        res.srcDirs = ['res']
+    }
+}