Marker for driver upgrade.

After https://skia-review.googlesource.com/c/8267/, I accidentally downgraded the driver on HD Graphics 4600. This CL marks reverting to the previous driver.

BUG=skia:
NOTRY=true

Change-Id: I58c353015ec15133ed6ef9605031c8c9062b3c10
Reviewed-on: https://skia-review.googlesource.com/8322
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
Commit-Queue: Ben Wagner <benjaminwagner@google.com>
diff --git a/whitespace.txt b/whitespace.txt
index 876a8a8..e1a7da9 100644
--- a/whitespace.txt
+++ b/whitespace.txt
@@ -10,4 +10,4 @@
 more  whitespace
 all the things!!!
 Yet another line.
-Driver update.
+Driver update (after accidental downgrade).