Adding .iml files to .gitignore

Bug: N/A
Test: N/A
Change-Id: Ica348d16e96addb2ef407655bc98de695cec7824
diff --git a/.gitignore b/.gitignore
index a09c56d..45884c4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /.idea
+*.iml