feat(magnify_ime): Add toggles for Magnify keyboard and Magnify/follow typing...

feat(magnify_ime): Add toggles for Magnify keyboard and Magnify/follow typing in the floating settings panel

Bug: 413441693
Flag: com.android.server.accessibility.enable_magnification_magnify_nav_bar_and_ime
Test: manual
Test: atest WindowMagnificationControllerTest
Test: atest WindowMagnificationSettingsTest
Change-Id: I19521dfc8e53a9806627baee10fdaff7bd4834a8