Add .apt_generated to .gitignore

Change-Id: I00c96ec752bfb66a76a5ca7152e62a0e20c2b725

.gitignore

diff --git a/.gitignore b/.gitignore
index 96ec693..bd910fd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 bazel-testlogs
 bazel-verify-status
 eclipse-out
+/.apt_generated/