Fix WM input limitations on secondary displays (1/N)

- One DisplayContent include one InputMonitor.
- For customized inputconsumers, they can be handled by DisplayContent.
- Extract InputManagerCallback to communicated InputManagerService.
- All windows need pass displayId to InputWindowHandle.

Bug: 111363643
Test: atest WindowManagerSmokeTest
Test: atest DisplayContentTests
Change-Id: Iaaca7d135a11c55a78bcf1f81918599b3d160106