Moving HDR logic from HDRClamper to HDRModifier

HDRModifier now can apply bightness cap on ambient lux changes
This also fixes the bug: when switching ON hdr content cap should be applied instantly
This also fixes the bug: HDR capping works only when Adaptive Brightness ON

Bug: b/353474430 b/330433294 b/322445088
Test: atest HdrModidierTest
Flag: com.android.server.display.feature.flags.new_hdr_brightness_modifier
Change-Id: Ia6b7f0d922f1f7ba65c6abb941e1cc4905a8470f