[Android] Native initialization task for BackgroundTaskScheduler

components/background_task_scheduler/android/java/src/org/chromium/components/background_task_scheduler/TaskParameters.java

Index: components/background_task_scheduler/android/java/src/org/chromium/components/background_task_scheduler/TaskParameters.java
diff --git a/components/background_task_scheduler/android/java/src/org/chromium/components/background_task_scheduler/TaskParameters.java b/components/background_task_scheduler/android/java/src/org/chromium/components/background_task_scheduler/TaskParameters.java
index f389e1e5bd8a8cec21f959ca9c9ec11d0634de55..65f476615abf8df4937ec9870bde21bac11e9fb1 100644
--- a/components/background_task_scheduler/android/java/src/org/chromium/components/background_task_scheduler/TaskParameters.java
+++ b/components/background_task_scheduler/android/java/src/org/chromium/components/background_task_scheduler/TaskParameters.java
@@ -37,11 +37,13 @@ public class TaskParameters {
         return mExtras;
     }
 
-    static Builder create(int taskId) {
+    /** Creates a builder for task parameters. */
+    public static Builder create(int taskId) {
         return new Builder(taskId);
     }
 
-    static final class Builder {
+    /** Class for building a task parameters object. Public for testing */
+    public static final class Builder {
         private final int mTaskId;
         private Bundle mExtras;
 
@@ -49,12 +51,12 @@ public class TaskParameters {
             mTaskId = taskId;
         }
 
-        Builder addExtras(Bundle extras) {
+        public Builder addExtras(Bundle extras) {
             mExtras = extras;
             return this;
         }
 
-        TaskParameters build() {
+        public TaskParameters build() {
             return new TaskParameters(this);
         }
     }