swap out the datatransport backend for ml modeldownloader (#5365)

Co-authored-by: David Motsonashvili <davidmotson@google.com>

Author: davidmotson

firebase-ml-modeldownloader/CHANGELOG.md

@@ -1,4 +1,6 @@
 # Unreleased
+* [changed] Internal infrastructure improvements.
+
 * [changed] Added Kotlin extensions (KTX) APIs from `com.google.firebase:firebase-ml-modeldownloader-ktx`
   to `com.google.firebase:firebase-ml-modeldownloader` under the `com.google.firebase.ml.modeldownloader` package.
   For details, see the

firebase-ml-modeldownloader/firebase-ml-modeldownloader.gradle

@@ -90,7 +90,7 @@ dependencies {
     implementation 'com.google.firebase:firebase-encoders:17.0.0'
     implementation 'com.google.firebase:firebase-installations-interop:17.1.0'
     implementation 'javax.inject:javax.inject:1'
-    implementation('com.google.firebase:firebase-datatransport:18.1.7'){
+    implementation('com.google.firebase:firebase-datatransport:18.2.0'){
          exclude group: 'com.google.firebase', module: 'firebase-common'
          exclude group: 'com.google.firebase', module: 'firebase-components'
      }

firebase-ml-modeldownloader/src/main/java/com/google/firebase/ml/modeldownloader/FirebaseModelDownloaderRegistrar.java

@@ -26,6 +26,7 @@
 import com.google.firebase.components.ComponentRegistrar;
 import com.google.firebase.components.Dependency;
 import com.google.firebase.components.Qualified;
+import com.google.firebase.datatransport.TransportBackend;
 import com.google.firebase.installations.FirebaseInstallationsApi;
 import com.google.firebase.platforminfo.LibraryVersionComponent;
 import java.util.Arrays;
@@ -47,13 +48,15 @@ public class FirebaseModelDownloaderRegistrar implements ComponentRegistrar {
   public List<Component<?>> getComponents() {
     Qualified<Executor> bgExecutor = Qualified.qualified(Background.class, Executor.class);
     Qualified<Executor> blockingExecutor = Qualified.qualified(Blocking.class, Executor.class);
+    Qualified<TransportFactory> transportFactory =
+        Qualified.qualified(TransportBackend.class, TransportFactory.class);
     return Arrays.asList(
         Component.builder(FirebaseModelDownloader.class)
             .name(LIBRARY_NAME)
             .add(Dependency.required(Context.class))
             .add(Dependency.required(FirebaseApp.class))
             .add(Dependency.requiredProvider(FirebaseInstallationsApi.class))
-            .add(Dependency.requiredProvider(TransportFactory.class))
+            .add(Dependency.requiredProvider(transportFactory))
             .add(Dependency.required(bgExecutor))
             .add(Dependency.required(blockingExecutor))
             .factory(
@@ -64,7 +67,7 @@ public List<Component<?>> getComponents() {
                         .setFis(c.getProvider(FirebaseInstallationsApi.class))
                         .setBlockingExecutor(c.get(blockingExecutor))
                         .setBgExecutor(c.get(bgExecutor))
-                        .setTransportFactory(c.getProvider(TransportFactory.class))
+                        .setTransportFactory(c.getProvider(transportFactory))
                         .build()
                         .getModelDownloader())
             .build(),