libevdev: Downgrade Event_Sync_State warning to debug.

Use LOG_DEBUG rather than LOG_WARNING for an informative
message that spams Chrome's log at startup:

  Event_Sync_State: before 39.191955 after 39.191960

BUG=none
TEST=none

Change-Id: I0ae31e0c5630ba2da012d24c070c659141ee5013
Reviewed-on: https://chromium-review.googlesource.com/386676
Commit-Ready: Dan Erat <derat@chromium.org>
Tested-by: Dan Erat <derat@chromium.org>
Reviewed-by: Charlie Mooney <charliemooney@chromium.org>
1 file changed
tree: 478d0ef41e8642e84a6290210bb98c45a2cba0a3
  1. Makefile
  2. common.mk
  3. include/
  4. libevdev-cros.pc
  5. src/