message: [XLA] Add kAllToAll and kCollectivePermute to EffectiveOperandPrecisionIsOutputPrecision list.
diff: @@ -78,8 +78,10 @@ bool BFloat16Support::EffectiveOperandPrecisionIsOutputPrecision(
  const HloInstruction& hlo, int64 operand_index) {
  switch (hlo.opcode()) {
  case HloOpcode::kAbs:
  + case HloOpcode::kAllToAll:
  case HloOpcode::kBroadcast:
  case HloOpcode::kClamp:
  + case HloOpcode::kCollectivePermute:
  case HloOpcode::kConcatenate:
  case HloOpcode::kConvert:
  case HloOpcode::kCopy:
  