Tweak MangaInfoHeader (#5766)

Make margin between transparent toolbar and cover more match 1.x
Fixes from when view was redone with MotionLayout

app/src/main/res/layout/manga_info_header.xml

@@ -12,7 +12,7 @@
         android:id="@+id/backdrop"
         android:layout_width="0dp"
         android:layout_height="0dp"
-        android:layout_marginBottom="-8dp"
+        android:layout_marginBottom="-32dp"
         android:alpha="0.2"
         android:scaleType="centerCrop"
         app:layout_constraintBottom_toBottomOf="@+id/manga_cover"
@@ -36,7 +36,7 @@
         android:layout_width="100dp"
         android:layout_height="0dp"
         android:layout_marginStart="16dp"
-        android:layout_marginTop="8dp"
+        android:layout_marginTop="16dp"
         android:background="@drawable/rounded_rectangle"
         android:contentDescription="@string/description_cover"
         android:maxWidth="100dp"
@@ -53,6 +53,7 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
         android:layout_marginEnd="16dp"
+        android:layout_marginBottom="8dp"
         android:orientation="vertical"
         app:layout_constraintBottom_toBottomOf="@+id/manga_cover"
         app:layout_constraintEnd_toEndOf="parent"
@@ -132,6 +133,9 @@
         android:id="@+id/manga_actions"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="-24dp"
+        android:layout_marginEnd="16dp"
         android:orientation="horizontal"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"

app/src/main/res/xml/manga_info_header_scene.xml

@@ -15,20 +15,10 @@
             android:id="@+id/manga_summary_section"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginTop="8dp"
             motion:layout_constraintEnd_toEndOf="parent"
             motion:layout_constraintStart_toStartOf="parent"
             motion:layout_constraintTop_toBottomOf="@id/manga_actions"
             motion:visibilityMode="ignore" />
-        <Constraint
-            motion:layout_constraintEnd_toEndOf="parent"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            motion:layout_constraintTop_toBottomOf="@id/backdrop"
-            motion:layout_constraintStart_toStartOf="parent"
-            android:id="@+id/manga_actions"
-            android:layout_marginStart="16dp"
-            android:layout_marginEnd="16dp" />
     </ConstraintSet>
 
     <ConstraintSet android:id="@+id/end">