Add UsbManagerInternal interface

This interface will be used by internal services such as AndroidAdvancedProtectionModeService (TBD.)

go/usb_aapm

Change-Id: I843f4957406f1a79a46a880e20978d4c6a6edab9
Test: atest
Flag: android.hardware.usb.flags.enable_usb_data_signal_staking_internal
Bug: 369382558