Allow bridging Sentry spans to the SDK ones.

Add distributed tracing for `Room.timelineWithConfiguration`, so we can inspect the associated Rust trace.

services/analyticsproviders/api/src/main/kotlin/io/element/android/services/analyticsproviders/api/AnalyticsTransaction.kt

@@ -11,6 +11,7 @@ interface AnalyticsTransaction {
     fun startChild(operation: String, description: String? = null): AnalyticsTransaction
     fun setData(key: String, value: Any)
     fun isFinished(): Boolean
+    fun traceId(): String?
     fun finish()
 }