Amazon CloudWatch Update: SDK update to support creation of Cross-Account Metric Alarms and update API documentation.

Author: AWS

.changes/next-release/feature-AmazonCloudWatch-caa337f.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "Amazon CloudWatch",
+    "contributor": "",
+    "description": "SDK update to support creation of Cross-Account Metric Alarms and update API documentation."
+}