Update Viz testing filters for Mac

Filter out new consisten Mac filters in viz_content_browsertests and
viz_browser_tests

TEST=viz_browser_tests, viz_content_browsertests_
TBR=kylechar@chromium.org

Bug: 760181
Change-Id: Idde59c0abb342a19bf5539b4771ea7aca586bc51
Reviewed-on: https://chromium-review.googlesource.com/968545Reviewed-by: Jonathan Ross <jonross@chromium.org>
Cr-Commit-Position: refs/heads/master@{#544019}

testing/buildbot/filters/mojo.fyi.viz.content_browsertests.filter

@@ -52,6 +52,7 @@
 -SitePerProcessHitTestBrowserTest.SubframeTouchEventRouting*
 -SitePerProcessHitTestBrowserTest.SurfaceHitTestPointerEventsNone*
 -SitePerProcessHitTestBrowserTest.SurfaceHitTestTest*
+-SitePerProcessMacBrowserTest.InputEventRouterTouchpadGestureTargetTest
 -SitePerProcessNonIntegerScaleFactorHitTestBrowserTest.NestedSurfaceHitTestTest*
 
 #### Compositor Frame Submission
@@ -67,6 +68,7 @@
 
 #### Tab Capture
 # Copy Surface timing out http://crbug.com/785257
+-GLAndSoftwareCompositing/CompositingRenderWidgetHostViewBrowserTest.CopyFromSurface*
 -GLAndSoftwareCompositing/CompositingRenderWidgetHostViewBrowserTestHiDPI.*
 -GLAndSoftwareCompositing/CompositingRenderWidgetHostViewBrowserTestTabCapture.*
 -GLAndSoftwareCompositing/CompositingRenderWidgetHostViewBrowserTestTabCaptureHighDPI.*

testing/buildbot/filters/viz.browser_tests.filter

@@ -104,3 +104,6 @@
 -UserInitiatedRunsDisabled*
 -UserInitiatedRunsEnabled*
 -WithVaryingSeeds/ChromeCleanerPromptUserTest.*
+
+# Mac shutdown error. https://crbug.com/823276
+-PluginPowerSaverBrowserTest.SmallerThanPlayIcon