Bug 1204281 - Adjust chunks and maxRunTime to avoid tc Linux x86 intermittent timeouts; r=me

taskcluster/ci/legacy/tasks/tests/fx_linux64_mochitest_media.yml

@@ -3,6 +3,7 @@ $inherits:
   from: 'tasks/tests/fx_docker_desktop_generic.yml'
 task:
   payload:
+    maxRunTime: 5400
     capabilities:
       devices:
         loopbackVideo: true

taskcluster/ci/legacy/tasks/tests/fx_linux64_mochitest_media_dbg.yml

@@ -4,4 +4,3 @@ task:
   payload:
     command:
       - --download-symbols=true
-    maxRunTime: 5400

taskcluster/ci/legacy/tasks/tests/fx_linux64_mochitest_media_e10s.yml

@@ -3,6 +3,7 @@ $inherits:
   from: 'tasks/tests/fx_docker_desktop_generic.yml'
 task:
   payload:
+    maxRunTime: 5400
     capabilities:
       devices:
         loopbackVideo: true

taskcluster/ci/legacy/tasks/tests/fx_linux64_mochitest_media_e10s_dbg.yml

@@ -4,4 +4,3 @@ task:
   payload:
     command:
       - --download-symbols=true
-    maxRunTime: 5400

taskcluster/ci/legacy/tasks/tests/fx_linux64_xpcshell.yml

@@ -3,6 +3,7 @@ $inherits:
   from: 'tasks/tests/fx_docker_desktop_generic.yml'
 task:
   payload:
+    maxRunTime: 5400
     command:
       - --no-read-buildbot-config
       - {"task-reference": "--installer-url=https://queue.taskcluster.net/v1/task/<{{build_slugid}}>/artifacts/{{build_location}}"}
@@ -21,7 +22,7 @@ task:
     description: XPCShell run {{chunk}}
   extra:
     chunks:
-      total: 6
+      total: 8
     suite:
       name: xpcshell
       flavor: xpcshell