Move ab_streaming_metadata under ab_config.

Add new config: ab_config.verify_payload_metadata.

Change-Id: I521dff92166c33dd9c2efa498dc599fe4bc83fde
Signed-off-by: Zhomart Mukhamejanov <zhomart@google.com>
Test: mmm, junit
Bug: 77150191
diff --git a/updater_sample/src/com/example/android/systemupdatersample/UpdateManager.java b/updater_sample/src/com/example/android/systemupdatersample/UpdateManager.java
index a9783e7..12a8f3f 100644
--- a/updater_sample/src/com/example/android/systemupdatersample/UpdateManager.java
+++ b/updater_sample/src/com/example/android/systemupdatersample/UpdateManager.java
@@ -324,7 +324,7 @@
             if (code == PrepareStreamingService.RESULT_CODE_SUCCESS) {
                 builder.setPayload(payloadSpec);
                 builder.addExtraProperty("USER_AGENT=" + HTTP_USER_AGENT);
-                config.getStreamingMetadata()
+                config.getAbConfig()
                         .getAuthorization()
                         .ifPresent(s -> builder.addExtraProperty("AUTHORIZATION=" + s));
                 updateEngineApplyPayload(builder.build());