Controls a11y - Ensure minHeight on dialogs

Touchable areas in PIN/passphrase dialog prompts need minHeight

Bug: 152934177
Test: manual, hsv
Change-Id: I76a708f4d142df8c38709bc5e3ca9ee11362a96f

packages/SystemUI/res/layout/controls_dialog_pin.xml

@@ -25,6 +25,7 @@
       android:id="@+id/controls_pin_input"
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
+      android:minHeight="48dp"
       android:hint="@string/controls_pin_instructions"
       android:inputType="numberPassword" />
   <CheckBox
@@ -32,5 +33,6 @@
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:layout_marginTop="5dp"
+      android:minHeight="48dp"
       android:text="@string/controls_pin_use_alphanumeric" />
 </LinearLayout>