Bug 1534888 - part3 : enable wpt '2_cues_overlapping_completely_move_up.html' and '2_cues_overlapping_partially_move_up.html'. r=heycam

Differential Revision: https://phabricator.services.mozilla.com/D34610

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

testing/web-platform/meta/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_completely_move_up.html.ini

@@ -1,2 +1,3 @@
 [2_cues_overlapping_completely_move_up.html]
-  expected: FAIL
+  disabled:
+    if (os == "android"): https://bugzilla.mozilla.org/show_bug.cgi?id=1536762

testing/web-platform/meta/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_up.html.ini

@@ -1,2 +1,3 @@
 [2_cues_overlapping_partially_move_up.html]
-  expected: FAIL
+  disabled:
+    if (os == "android"): https://bugzilla.mozilla.org/show_bug.cgi?id=1536762