Bug 218877 does not depend on any bugs.

Bug 218877 blocks 2 bugs:

•    218877: Update ANGLE 2020-11-12 [RESOLVED FIXED; assigned to jdarpinian]
  •    126404: WebGL 2 support [NEW; assigned to dino]
  •    244008: Leak of id<MTLArgumentEncoder> in rx::(anonymous)::InitArgumentBufferEncoder() [RESOLVED FIXED; assigned to ddkilzer]