Target new Win NVIDIA driver

Targets the new driver and Windows versions for the GPU Windows 10
Quadro P400 machines in preparation for an upcoming upgrade.

Bug: 1085489
Change-Id: I4dffa9fe085fa96dc3ad3e73bb981314195f98e4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2340000
Commit-Queue: Brian Sheedy <bsheedy@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>
Auto-Submit: Brian Sheedy <bsheedy@chromium.org>
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#795161}

testing/buildbot/mixins.pyl

@@ -846,8 +846,8 @@
   'win10_nvidia_quadro_p400_stable': {
     'swarming': {
       'dimensions': {
-        'gpu': '10de:1cb3-26.21.14.3102',
-        'os': 'Windows-10',
+        'gpu': '10de:1cb3-26.21.14.3102|10de:1cb3-27.21.14.5148',
+        'os': 'Windows-10|Windows-10-18363',
         'pool': 'chromium.tests.gpu',
       },
     },
@@ -859,8 +859,8 @@
     'swarming': {
       'dimension_sets': [
         {
-          'gpu': '10de:1cb3-26.21.14.3102',
-          'os': 'Windows-10',
+          'gpu': '10de:1cb3-26.21.14.3102|10de:1cb3-27.21.14.5148',
+          'os': 'Windows-10|Windows-10-18363',
           'pool': 'chromium.tests.gpu',
         },
       ],