Update gitignore for kotlin binaries

Change-Id: I60709db60e557b6d3f3fab92bfd66b1728cc8557

.gitignore

diff --git a/.gitignore b/.gitignore
index acceac9..088d2b9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,6 +34,8 @@
 third_party/jasmin
 third_party/jdwp-tests.tar.gz
 third_party/jdwp-tests
+third_party/kotlin.tar.gz
+third_party/kotlin
 third_party/photos/*
 !third_party/photos/*.sha1
 third_party/proguard/*