Remove rules for starting the webview_zygote as a child of init.

The webview_zygote is now launched as a child-zygote process from the
main zygote process.

Bug: 63749735
Test: m
Test: Launch "Third-party licenses" activity from Settings, and it
      renders correctly via the WebView.
Merged-In: I9c948b58a969d35d5a5add4b6ab62b8f990645d1
Change-Id: I153476642cf14883b0dfea0d9f5b3b5e30ac1c08
diff --git a/private/isolated_app.te b/private/isolated_app.te
index 06ed2c8..a6276b3 100644
--- a/private/isolated_app.te
+++ b/private/isolated_app.te
@@ -108,7 +108,7 @@
 neverallow isolated_app { usb_device usbaccessory_device }:chr_file *;
 
 # Restrict the webview_zygote control socket.
-neverallow isolated_app webview_zygote_socket:sock_file write;
+neverallow isolated_app webview_zygote:sock_file write;
 
 # Limit the /sys files which isolated_app can access. This is important
 # for controlling isolated_app attack surface.