TunnelEditor: abstract out section font

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

ui/src/main/res/layout/tunnel_detail_fragment.xml

@@ -51,7 +51,7 @@
 
                 <com.google.android.material.textview.MaterialTextView
                     android:id="@+id/interface_title"
-                    style="@style/TextAppearance.MaterialComponents.Headline6"
+                    style="@style/SectionText"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="@string/interface_title"

ui/src/main/res/layout/tunnel_detail_peer.xml

@@ -27,7 +27,7 @@
 
             <com.google.android.material.textview.MaterialTextView
                 android:id="@+id/peer_title"
-                style="@style/TextAppearance.MaterialComponents.Headline6"
+                style="@style/SectionText"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:text="@string/peer"

ui/src/main/res/layout/tunnel_editor_fragment.xml

@@ -57,7 +57,7 @@
 
                         <com.google.android.material.textview.MaterialTextView
                             android:id="@+id/interface_title"
-                            style="@style/TextAppearance.MaterialComponents.Headline6"
+                            style="@style/SectionText"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_margin="8dp"

ui/src/main/res/layout/tunnel_editor_peer.xml

@@ -35,7 +35,7 @@
 
             <com.google.android.material.textview.MaterialTextView
                 android:id="@+id/peer_title"
-                style="@style/TextAppearance.MaterialComponents.Headline6"
+                style="@style/SectionText"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
                 android:layout_margin="8dp"

ui/src/main/res/values/styles.xml

@@ -54,6 +54,7 @@
     </style>
 
     <style name="DetailText" parent="TextAppearance.MaterialComponents.Body1" />
+    <style name="SectionText" parent="TextAppearance.MaterialComponents.Headline6" />
 
     <style name="TextInputLayoutBase" parent="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
         <item name="boxStrokeColor">?attr/colorSecondary</item>