chore: update CHANGELOG

CHANGELOG.md

@@ -6,26 +6,31 @@ All notable changes to this project will be documented in this file.
 
 ## 0.7.0
 
-Released 2020-04-17
+Released 2020-04-23
 
 #### :boom: Breaking Change
 * `opentelemetry-exporter-collector`
   * [#901](https://github.com/open-telemetry/opentelemetry-js/pull/901) grpc for node and support for new proto format for node and browser ([@obecny](https://github.com/obecny))
+* `opentelemetry-api`, `opentelemetry-metrics`
+  * [#964](https://github.com/open-telemetry/opentelemetry-js/pull/964) chore: adding metric observable to be able to support async update ([@obecny](https://github.com/obecny))
 
 #### :bug: (Bug Fix)
 * `opentelemetry-plugin-http`
   * [#960](https://github.com/open-telemetry/opentelemetry-js/pull/960) [http] fix: use url.URL ([@naseemkullah](https://github.com/naseemkullah))
+* `opentelemetry-core`
+  * [#977](https://github.com/open-telemetry/opentelemetry-js/pull/977) fix(B3Propagator): B3 sampled causing gRPC error ([@mayurkale22](https://github.com/mayurkale22))
 
 #### :rocket: (Enhancement)
 * `opentelemetry-resources`
   * [#899](https://github.com/open-telemetry/opentelemetry-js/pull/899) feat: resource auto-detection ([@mwear](https://github.com/mwear))
 * `opentelemetry-metrics`
   * [#930](https://github.com/open-telemetry/opentelemetry-js/pull/930) feat(aggregators): implement histogram aggregator ([@vmarchaud](https://github.com/vmarchaud))
 
-#### Committers: 4
+#### Committers: 5
 - Naseem ([@naseemkullah](https://github.com/naseemkullah))
 - Matthew Wear ([@mwear](https://github.com/mwear))
 - Bartlomiej Obecny ([@obecny](https://github.com/obecny))
+- Mayur Kale ([@mayurkale22](https://github.com/mayurkale22))
 - Valentin Marchaud ([@vmarchaud](https://github.com/vmarchaud))
 
 ## 0.6.1