Add origin header to crashtracking telemetry (#9685)

* Add origin header to crashtracking telemetry

* Add payload level is_crash

Author: amarziali

dd-java-agent/agent-crashtracking/src/main/java/datadog/crashtracking/CrashUploader.java

@@ -290,13 +290,15 @@ private RequestBody makeTelemetryRequestBody(@Nonnull String content) throws IOE
         writer.name("tracer_time").value(Instant.now().getEpochSecond());
         writer.name("seq_id").value(1);
         writer.name("debug").value(true);
+        writer.name("origin").value("crashtracker");
         writer.name("payload");
         writer.beginArray();
         writer.beginObject();
         writer.name("message").value(crashLog.toJson());
         writer.name("level").value("ERROR");
         writer.name("tags").value("severity:crash");
         writer.name("is_sensitive").value(true);
+        writer.name("is_crash").value(true);
         writer.endObject();
         writer.endArray();
         writer.name("application");

dd-java-agent/agent-crashtracking/src/test/java/datadog/crashtracking/CrashUploaderTest.java

@@ -169,10 +169,12 @@ public void testTelemetryHappyPath(String log) throws Exception {
 
     assertEquals(CrashUploader.TELEMETRY_API_VERSION, event.get("api_version").asText());
     assertEquals("logs", event.get("request_type").asText());
+    assertEquals("crashtracker", event.get("origin").asText());
     // payload:
     assertEquals("ERROR", event.get("payload").get(0).get("level").asText());
 
     assertTrue(event.get("payload").get(0).get("is_sensitive").asBoolean());
+    assertTrue(event.get("payload").get(0).get("is_crash").asBoolean());
     // we need to sanitize the UIID which keeps on changing
     String message = event.get("payload").get(0).get("message").asText();
     CrashLog extracted = CrashLog.fromJson(message);