Override the locale hints when the app is running on a virtual device.

1) In VirtualDeviceManagerInternal, add a method that returns the
   preferred language based on for apps running on Virtual Device.

2) From InputMethodManagerService, check if the language hints in
   EditorInfo need to overrided upon starting input by calling the
   method above.

Bug: 237537306
Test: atest FrameworksInputMethodSystemServerTests
Change-Id: I907cf4573472b0ad538ba67a49891a19ae104ad9

Change-Id: Ifdfe17a14830887d61f0ed44425ffbe45c014607