Add support for filtering attribute keys for streams via an exclude list

specification/metrics/sdk.md

@@ -364,10 +364,6 @@ The SDK MUST accept the following stream configuration parameters:
  keys that identify the attributes that MUST be kept, and all other attributes
  MUST be ignored.
 
- Additionally, implementations SHOULD support configuring an exclude-list of
- attribute keys. The exclude-list contains attribute keys that identify the
- attributes that MUST be excluded, all other attributes MUST be kept.
-
  Implementations MAY accept additional attribute filtering functionality for
  this parameter.
 
@@ -379,6 +375,12 @@ The SDK MUST accept the following stream configuration parameters:
  parameter configured on the instrument instead. If the `Attributes`
  advisory parameter is absent, all attributes MUST be kept.
 
+ Additionally, implementations SHOULD support configuring an exclude-list of
+ attribute keys. The exclude-list contains attribute keys that identify the
+ attributes that MUST be excluded, all other attributes MUST be kept. If an
+ attribute key is both included and excluded, implementations MAY cause the
+ application to fail on initialization.
+
 * `aggregation`: The name of an [aggregation](#aggregation) function to use in
  aggregating the metric stream data.