Don't specify Win10 version for SwANGLE bots

TBR=bsheedy

Bug: 1139336
Change-Id: I25464321de11fd36b8c93717bd33df864f5671d7
No-try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2480962Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#817954}

testing/buildbot/mixins.pyl

@@ -825,6 +825,16 @@
       },
     },
   },
+  'win10_gce_gpu_pool': {
+    'swarming': {
+      'dimensions': {
+        'cpu': 'x86-64',
+        'gpu': 'none',
+        'os': 'Windows-10',
+        'pool': 'chromium.tests.gpu',
+      },
+    },
+  },
   'win10_intel_hd_630_experimental': {
     'swarming': {
       'dimensions': {

testing/buildbot/waterfalls.pyl

@@ -5109,10 +5109,7 @@
         'os_type': 'win',
         'browser_config': 'release',
         'mixins': [
-          'gpu-swarming-pool',
-          'no_gpu',
-          'x86-64',
-          'win10',
+          'win10_gce_gpu_pool',
         ],
         'test_suites': {
           'gpu_telemetry_tests': 'gpu_swangle_telemetry_tests',
@@ -5121,10 +5118,7 @@
       'win-swangle-tot-angle-x64' : {
         'os_type': 'win',
         'mixins': [
-          'gpu-swarming-pool',
-          'no_gpu',
-          'x86-64',
-          'win10',
+          'win10_gce_gpu_pool',
           'timeout_15m',
         ],
         'test_suites': {
@@ -5134,10 +5128,7 @@
       'win-swangle-tot-angle-x86' : {
         'os_type': 'win',
         'mixins': [
-          'gpu-swarming-pool',
-          'no_gpu',
-          'x86-64',
-          'win10',
+          'win10_gce_gpu_pool',
           'timeout_15m',
         ],
         'test_suites': {
@@ -5147,10 +5138,7 @@
       'win-swangle-tot-swiftshader-x64' : {
         'os_type': 'win',
         'mixins': [
-          'gpu-swarming-pool',
-          'no_gpu',
-          'x86-64',
-          'win10',
+          'win10_gce_gpu_pool',
           'timeout_15m',
         ],
         'test_suites': {
@@ -5160,10 +5148,7 @@
       'win-swangle-tot-swiftshader-x86' : {
         'os_type': 'win',
         'mixins': [
-          'gpu-swarming-pool',
-          'no_gpu',
-          'x86-64',
-          'win10',
+          'win10_gce_gpu_pool',
           'timeout_15m',
         ],
         'test_suites': {
@@ -5173,10 +5158,7 @@
       'win-swangle-x64' : {
         'os_type': 'win',
         'mixins': [
-          'gpu-swarming-pool',
-          'no_gpu',
-          'x86-64',
-          'win10',
+          'win10_gce_gpu_pool',
           'timeout_15m',
         ],
         'test_suites': {
@@ -5186,10 +5168,7 @@
       'win-swangle-x86' : {
         'os_type': 'win',
         'mixins': [
-          'gpu-swarming-pool',
-          'no_gpu',
-          'x86-64',
-          'win10',
+          'win10_gce_gpu_pool',
           'timeout_15m',
         ],
         'test_suites': {