Fix overlapping fonts and crash on tapping anywhere on video after long-pressing 'Popup' button (#5813)

* Overlapping fonts #5096
issue : #5096

* Overlapping fonts #5096
issue : #5096
changed :
- If additional textView is overlapped, only title view shows.

* Overlapping fonts #5096
issue : #5096
changed :
- Remove treeObserve and hiding logic.
- RelativeLayout -> ConstraintLayout.
- layout size fixed -> wrap_content.
- if text size is bigger, layout height bigger too.

* Overlapping fonts #5096
issue : #5096
changed :
- remove unusable variable

* Crash on tapping anywhere on video after long-pressing 'Popup' button #5804
issue : #5804
changed :
- checked null
- fixed NullPointerException.

app/src/main/java/org/schabi/newpipe/info_list/holder/StreamInfoItemHolder.java

@@ -4,8 +4,6 @@ import android.text.TextUtils;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
-import androidx.preference.PreferenceManager;
-
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.extractor.InfoItem;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
@@ -14,6 +12,8 @@ import org.schabi.newpipe.info_list.InfoItemBuilder;
 import org.schabi.newpipe.local.history.HistoryRecordManager;
 import org.schabi.newpipe.util.Localization;
 
+import androidx.preference.PreferenceManager;
+
 import static org.schabi.newpipe.MainActivity.DEBUG;
 
 /*

app/src/main/java/org/schabi/newpipe/player/event/BasePlayerGestureListener.kt

@@ -229,8 +229,10 @@ abstract class BasePlayerGestureListener(
         // because the soft input is visible (the draggable area is currently resized).
         player.updateScreenSize()
         player.checkPopupPositionBounds()
-        initialPopupX = player.popupLayoutParams!!.x
-        initialPopupY = player.popupLayoutParams!!.y
+        player.popupLayoutParams?.let {
+            initialPopupX = it.x
+            initialPopupY = it.y
+        }
         return super.onDown(e)
     }
 
@@ -466,7 +468,7 @@ abstract class BasePlayerGestureListener(
     // ///////////////////////////////////////////////////////////////////
 
     private fun getDisplayPortion(e: MotionEvent): DisplayPortion {
-        return if (player.playerType == MainPlayer.PlayerType.POPUP) {
+        return if (player.playerType == MainPlayer.PlayerType.POPUP && player.popupLayoutParams != null) {
             when {
                 e.x < player.popupLayoutParams!!.width / 3.0 -> DisplayPortion.LEFT
                 e.x > player.popupLayoutParams!!.width * 2.0 / 3.0 -> DisplayPortion.RIGHT