Add more neverallows to app_zygote policy.

The app_zygote should never use any unix sockets, except the
logd socket and some sockets only available on userdebug/eng.

Prevent it from using ptrace.

Bug: 111434506
Test: builds
Change-Id: Ic47cfca51fba0b150a136194ba0e4a8a488c9996
1 file changed