Bug 1526064 - re-enable tests in dom/media/mediasource/test/mochitest.ini for windows10-aarch64 r=gbrown

Differential Revision: https://phabricator.services.mozilla.com/D45887

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

dom/media/mediasource/test/mochitest.ini

@@ -56,7 +56,7 @@ support-files =
 [test_AVC3_mp4.html]
 skip-if = toolkit == 'android' # Not supported on android
 [test_AudioChange_mp4.html]
-skip-if = toolkit == 'android' || (os == "win" && processor == "aarch64") # Not supported on android, aarch64 due to 1538331
+skip-if = toolkit == 'android' # Not supported on android
 [test_AutoRevocation.html]
 tags = firstpartyisolation
 [test_BufferedSeek.html]
@@ -83,7 +83,7 @@ skip-if = toolkit == 'android' # bug 1358640, bug 1401090
 skip-if = toolkit == 'android' # Not supported on android
 [test_Eviction_mp4.html]
 [test_ExperimentalAsync.html]
-skip-if = toolkit == 'android' || (os == "win" && processor == "aarch64") # bug 1341519, bug 1401090, aarch64 due to 1538391
+skip-if = toolkit == 'android' # bug 1341519, bug 1401090
 [test_FrameSelection.html]
 skip-if = toolkit == 'android' # bug 1341519, bug 1401090
 [test_FrameSelection_mp4.html]
@@ -105,7 +105,6 @@ skip-if = toolkit == 'android' # Not supported on android
 [test_MediaSource_mp4.html]
 skip-if = toolkit == 'android' # Not supported on android
 [test_MediaSource_flac_mp4.html]
-skip-if = (os == "win" && processor == "aarch64") # aarch64 due to 1526064
 [test_MediaSource_disabled.html]
 [test_MultipleInitSegments.html]
 [test_MultipleInitSegments_mp4.html]