Rename keylayout for SnakeByte iDroid:con to match by name

This keylayout was introduced in ba81efe0.
Unfortunately, we cannot match by vid / pid, since this breaks other
devices (like keyboards) that use the same vendor / product id.

Instead, match by name to avoid conflict.

Bug: 191720859
Change-Id: I9dd686ebcd612ca04d41b7b5cadf8442350346c9
Test: verified manually