Migrate MagnificationOneFingerPanningPreferenceController to kotlin

- MagnificationOneFingerPanningPreferenceController is still in Java
- Create a duplicate one in Kotlin
- Move flag and window magnification dependency check inside of the
  preference controller

Bug: 406052931
Test: atest
Test: manually by changing the code locally and use it in the new
magnification fragment
Flag: EXEMPT no real usage yet

Change-Id: Ia6529ce3ff87cfabe4ea471f31777c8bf1f5b658