wayland-protocols: Add zcr_stylus_v2 protocol for touch based stylus
The v2 version of the protocol will extend wl_touch instead of
wl_pointer to provide the same functionality. Once the clients of this
protocol have been updated to use v2, we can remove the v1 protocol
from this file.
BUG=
665499
TEST=None
Committed:
https://crrev.com/405afdba9798a44259deb3df45953b71bd858aa5
Cr-Commit-Position: refs/heads/master@{#439194}