base: SystemUI: fix volume dialog issue

When user turn on per-app volume control
and sets the display size to the minimum,
the volume dialog will have an issue of display like this:
https://ftp.bmp.ovh/imgs/2021/01/b821ad72f3152133.jpg

Signed-off-by: cjybyjk <cjybyjk@zjnu.edu.cn>
Signed-off-by: NurKeinNeid <mralexman3000@gmail.com>
Signed-off-by: Joey Huab <joey@evolution-x.org>
Signed-off-by: Genkzsz11 <Genkzsz11@gmail.com>

Author: cjybyjk

packages/SystemUI/src/com/android/systemui/volume/VolumeDialogImpl.java

@@ -876,16 +876,16 @@ public void initSettingsH() {
             });
         }
         if (mShowAppVolume) {
-            updateAppRows();
+           updateAppRows(mExpanded);
         }
     }
 
-    private void updateAppRows() {
+    private void updateAppRows(boolean expand) {
         for (int i = mAppRows.size() - 1; i >= 0; i--) {
             final VolumeRow row = mAppRows.get(i);
             removeAppRow(row);
         }
-        if (!mShowAppVolume) return;
+        if (!mShowAppVolume || expand) return;
         List<AppTrackData> trackDatas = mController.getAudioManager().listAppTrackDatas();
         for (AppTrackData data : trackDatas) {
             if (data.isActive()) {