Stop the ringtone when other seek bar is adjust

- Stop the ringtone when other seek bar is adjust.
- Add test to verify when onStartTrackingTouch() is called,
  will call stopSample().

Bug: 80194851
Test: make -j42 RunSettingsRoboTests
Change-Id: I2300f0f56340c3698f62cc911bda7b7a94d23a7a

src/com/android/settings/notification/VolumeSeekBarPreference.java

@@ -138,6 +138,12 @@ public class VolumeSeekBarPreference extends SeekBarPreference {
                 mZenMuted = zenMuted;
                 updateIconView();
             }
+            @Override
+            public void onStartTrackingTouch(SeekBarVolumizer sbv) {
+                if (mCallback != null) {
+                    mCallback.onStartTrackingTouch(sbv);
+                }
+            }
         };
         final Uri sampleUri = mStream == AudioManager.STREAM_MUSIC ? getMediaVolumeUri() : null;
         if (mVolumizer == null) {
@@ -201,5 +207,10 @@ public class VolumeSeekBarPreference extends SeekBarPreference {
     public interface Callback {
         void onSampleStarting(SeekBarVolumizer sbv);
         void onStreamValueChanged(int stream, int progress);
+
+        /**
+         * Callback reporting that the seek bar is start tracking.
+         */
+        void onStartTrackingTouch(SeekBarVolumizer sbv);
     }
 }