Bug 1654459 - Default webgl.enable-surface-texture to true. r=snorp

This should match the previous behavior where non-parent processes
ignored the pref and used surface textures.

Differential Revision: https://phabricator.services.mozilla.com/D84476

dom/canvas/test/reftest/reftest.list

@@ -2,7 +2,7 @@
 include filters/reftest.list
 
 # WebGL Reftests!
-defaults pref(webgl.force-enabled,true) pref(media.useAudioChannelAPI,true)
+defaults pref(webgl.force-enabled,true) pref(media.useAudioChannelAPI,true) skip-if(Android&&webrender)
 
 # Check that disabling works:
                           == webgl-disable-test.html?nogl wrapper.html?green.png

modules/libpref/init/StaticPrefList.yaml

@@ -9893,7 +9893,7 @@
 
 - name: webgl.enable-surface-texture
   type: RelaxedAtomicBool
-  value: false
+  value: true
   mirror: always
 
 - name: webgl.enable-ahardwarebuffer