Gboard: Whitelist test failure

This is intended to be temporary workaround until the Gboard
developers fix their app.

Addresses
avc: denied { bind } for comm="ThreadPoolForeg"
scontext=u:r:untrusted_app:s0:c166,c256,c512,c768
tcontext=u:r:untrusted_app:s0:c166,c256,c512,c768
tclass=netlink_route_socket permissive=
app=com.google.android.inputmethod.latin

Bug: 155595000
Test: build
Change-Id: I432ac1462329efb4bc118c3967a099833e6eb813
diff --git a/private/bug_map b/private/bug_map
index 43a77aa..eaa1593 100644
--- a/private/bug_map
+++ b/private/bug_map
@@ -30,5 +30,6 @@
 system_server sdcardfs file b/77856826
 system_server storage_stub_file dir b/145267097
 system_server zygote process b/77856826
+untrusted_app untrusted_app netlink_route_socket b/155595000
 vold system_data_file file b/124108085
 zygote untrusted_app_25 process b/77925912