Fix no. of virtual displays per package

A virtual display might be released by the system process and not the process that created the display. We shouldn't be using Binder.getCallingUid() to find the ownerUid that created the display.

Bug: 261791612
Flag: com.android.server.display.feature.flags.virtual_display_limit
Test: atest DisplayManagerServiceTest
Test: atest VirtualDisplayAdapterTest
Change-Id: I1651b4a668bc77fd954fba99f7b6a50315511bfa