Adding the avility to have a PreviewSurfaceRenderer per screendID

Flag: persist.wm.debug.wallpaper_multi_crop
Fix: 292152331
Test: Manual testing, make sure to turn on the flags by running this adb commands
adb shell setprop persist.wm.debug.wallpaper_multi_crop 1
adb shell device_config put customization_picker com.android.wallpaper.multi_crop_preview_ui_flag true

Change-Id: Iba9518e93c09f0f8304cbce4c3bee9f8753cd583