Fix bpfmt issues and add bpfmt to preupload checks

Test: m nothing
Change-Id: I10526a33685335bdd26cc7692815133379d4e0f6
diff --git a/zip/Android.bp b/zip/Android.bp
index 259e010..5081e91 100644
--- a/zip/Android.bp
+++ b/zip/Android.bp
@@ -27,7 +27,6 @@
         "rate_limit.go",
     ],
     testSrcs: [
-      "zip_test.go",
+        "zip_test.go",
     ],
 }
-