Fix: Background Color of some surfaces on old devices (Closes #73)

src/main/kotlin/com/looker/droidify/screen/TabsFragment.kt

@@ -264,7 +264,6 @@ class TabsFragment : ScreenFragment() {
             this.adapter = adapter
             addItemDecoration(DividerItemDecoration(context, adapter::configureDivider))
             background = context.getDrawableCompat(R.drawable.background_border)
-            backgroundTintList = context.getColorFromAttr(R.attr.colorSurface)
             elevation = resources.sizeScaled(4).toFloat()
             content.addView(this)
             val margins = resources.sizeScaled(8)

src/main/res/drawable/background_border.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="?attr/colorSurface"/>
     <corners android:radius="@dimen/shape_large_corner" />
 </shape>

src/main/res/layout/release_info.xml

@@ -6,7 +6,6 @@
     android:layout_marginHorizontal="12dp"
     android:layout_marginVertical="4dp"
     android:background="@drawable/background_border"
-    android:backgroundTint="?attr/colorSurface"
     android:gravity="center"
     android:orientation="horizontal">
 
@@ -114,7 +113,7 @@
         android:layout_weight="1"
         app:cardBackgroundColor="?attr/colorSurface"
         app:cardCornerRadius="@dimen/shape_medium_corner"
-        app:cardElevation="0dp"
+        app:cardElevation="2dp"
         app:strokeWidth="0dp">
 
         <androidx.appcompat.widget.LinearLayoutCompat