Fix lint errors.

Author: vkryachko

transport/transport-runtime/src/main/java/com/google/android/datatransport/runtime/TransportContext.java

@@ -72,7 +72,7 @@ public static Builder builder() {
    *
    * @hide
    */
-  @RestrictTo(RestrictTo.Scope.LIBRARY)
+  @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
   public TransportContext withPriority(Priority priority) {
     return builder()
         .setBackendName(getBackendName())
@@ -89,7 +89,7 @@ public abstract static class Builder {
     public abstract Builder setExtras(@Nullable byte[] extras);
 
     /** @hide */
-    @RestrictTo(RestrictTo.Scope.LIBRARY)
+    @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
     public abstract Builder setPriority(Priority priority);
 
     public abstract TransportContext build();

transport/transport-runtime/src/main/java/com/google/android/datatransport/runtime/TransportRuntime.java

@@ -141,7 +141,7 @@ private static Set<Encoding> getSupportedEncodings(Destination destination) {
     return Collections.singleton(Encoding.of("proto"));
   }
 
-  @RestrictTo(RestrictTo.Scope.LIBRARY)
+  @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
   public Uploader getUploader() {
     return uploader;
   }