Restrict input device descriptor

[M66B]

http://developer.android.com/reference/android/view/InputDevice.html

[M66B]

Input device has no useful ID's that can be used.

[bitterskittles]

properties of an InputDevice, coupled with other data, can be used to create a unique fingerprint.
please consider reopening the issue

[M66B]

I don't know yet how to fake ID's.

[M66B]

"An input device descriptor uniquely identifies an input device. Its value is intended to be persistent across system restarts, and should not change even if the input device is disconnected, reconnected or reconfigured at any time."

I am afraid that restricting this will lead to trouble.

[M66B]

On the other hand:

"The input device descriptor returned by getDescriptor() should only be used when an application needs to remember settings associated with a particular input device."

[bitterskittles]

thanks