Profiler notifications (#1648)

* adding lost events flag to events available notification

* Initial changes to support notifications for stopped session and lost events

* Updated localized strings & send stop notification box

* reordering imports

* vbump sqltools & dataprotocolclient, fix notification wording

src/sql/parts/profiler/service/profilerTestBackend.ts

@@ -48,6 +48,10 @@ export class ProfilerTestBackend implements sqlops.ProfilerProvider {
 		return;
 	}
 
+	registerOnSessionStopped(handler: (response: sqlops.ProfilerSessionStoppedParams) => any) {
+		return;
+	}
+
 	private intervalFn(guid: string): number {
 		return setTimeout(() => {
 			let data = this.testData[this.index++];