Implement VDMInternal.isAppRunningOnAnyVirtualDevice

Create a custom subclass of DWPC to allow virtual devices to track which
apps are running on their virtual device, and use that to answer
isAppRunningOnAnyVirtualDevice.

Bug: 194949534
Test: Manual
Change-Id: I61d7389c315798e9cb6f5a52771519d8b8ee6935
3 files changed