WM: Add in_size_compat_mode to ActivityRecord proto

In addition, rename in_size_compat_mode in WindowState proto to
has_compat_scale for clarity.

Test: atest CtsWindowManagerDeviceTestCases:CompatScaleTests
Bug: 181878559
Change-Id: I0d6844be3f138fdc16a22497346e789d93af7396
4 files changed