Update input route when preset preference has changed

Similar to addDevicesRoleForCapturePreset(), the updateInputRouting()
should be called inside of setDevicesRoleForCapturePreset(). Otherwise,
when a RecordThread is already ongoing, changing preset doesn't work.
This CL fixes the issue.

Change-Id: I31de5fe576215d832a2ad6a41464c0cd0aa80107
Bug: b/364923030
Flag: com.android.media.audioserver.enable_audio_input_device_routing