Migration to Material Components theme and style.

New night theme mainly white on black.
Fixes #1122.
Fixes #957.

src/main/res/layout-land/controller_fragment.xml

@@ -38,17 +38,17 @@ limitations under the License.
 
         <TextView
             android:id="@+id/controller_total_time"
-            style="@style/TextSmall"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            style="?attr/textAppearanceSubtitle2"
             android:layout_centerInParent="true"
             android:textColor="@android:color/white" />
 
         <TextView
             android:id="@+id/controller_status"
-            style="@style/TextMicro"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            style="?attr/textAppearanceSubtitle2"
             android:layout_above="@id/controller_total_time"
             android:layout_centerHorizontal="true"
             android:singleLine="true" />

src/main/res/layout-land/track_list.xml

@@ -89,7 +89,7 @@ limitations under the License.
                     android:layout_weight="24">
 
                     <TextView
-                        style="@style/TextLarge"
+                        style="?attr/textAppearanceHeadline6"
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:text="@string/track_list_empty_message" />