Don't build OTA package for aosp_emulator_us

This allows "make dist" to work on that configuration.

A better fix would be to allow each product to specify
whether it's an emulator target or a device target, and
to adapt to that, but that'd be a lot more intrusive.

Change-Id: I47708025204a4991466abceb1708a3020a543238
1 file changed