Bug 1525314 - Run gecko reftests for WebRender on pixel 2. r=gbrown

Only enabled on try/m-c as tier-2 for now, per email discussion, to minimize
load on bitbar Pixel 2 devices.

Depends on D36799

Differential Revision: https://phabricator.services.mozilla.com/D36800

--HG--
extra : moz-landing-system : lando

taskcluster/ci/test/reftest.yml

@@ -8,6 +8,7 @@ job-defaults:
     target:
         by-test-platform:
             android-em-7.*: geckoview-androidTest.apk
+            android-hw-.*-qr/.*: geckoview-androidTest.apk
             default: null
     variants:
         by-test-platform:
@@ -16,6 +17,7 @@ job-defaults:
     run-on-projects:
         by-test-platform:
             android-em-4.*/.*: ['try', 'mozilla-central']  # bug 1548659
+            android-hw-.*-qr/.*: ['try', 'mozilla-central']
             windows10-aarch64/opt: ['try', 'mozilla-central']
             default: built-projects
     mozharness:
@@ -69,6 +71,7 @@ crashtest:
         by-test-platform:
             windows10-aarch64.*: 2
             android-em-4.*/.*: 2  # bug 1548659
+            android-hw-.*-qr/.*: 2
             default: default
 
 jsreftest:
@@ -148,6 +151,7 @@ reftest:
     tier:
         by-test-platform:
             windows10-aarch64.*: 2
+            android-hw-.*-qr/.*: 2
             default: default
 
 reftest-gpu:

taskcluster/ci/test/test-platforms.yml

@@ -411,6 +411,16 @@ android-hw-p2-8-0-arm7-api-16/debug:
     test-sets:
         - android-hw-arm7-debug-unittests
 
+android-hw-p2-8-0-arm7-api-16-qr/opt:
+    build-platform: android-api-16/opt
+    test-sets:
+        - android-hw-arm7-qr
+
+android-hw-p2-8-0-arm7-api-16-qr/debug:
+    build-platform: android-api-16/debug
+    test-sets:
+        - android-hw-arm7-qr
+
 android-hw-p2-8-0-android-aarch64/opt:
     build-platform: android-aarch64/opt
     test-sets:

taskcluster/ci/test/test-sets.yml

@@ -438,6 +438,10 @@ android-hw-arm7-debug-unittests:
     - jsreftest
     - mochitest-media
 
+android-hw-arm7-qr:
+    - crashtest
+    - reftest
+
 android-hw-arm7-raptor:
     - raptor-speedometer-geckoview
     - raptor-speedometer-refbrow