UsbService:update mUsbDisableRequesters for enableUsbDataWhileDocked()

1. mUsbDisableRequesters list needs to be updated for enableUsbDataWhileDocked(). If list size > 0, We shouldn't enable USB Data Signaling.
2. Update the callback in enableUsbData() before it returns

Bug: 287498482
Test: manual testing
Change-Id: I8c311c25dccc513dac9aa8cfcd6e419c1aa3f87f
1 file changed