Set 'PNG' and 'Raw' radio buttons to be checked by default in export_project_dialog_layout.xml.

Author: therealbluepandabear

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

@@ -56,6 +56,7 @@
                 android:button="@android:color/transparent"
                 android:textColor="@drawable/radiobuttontextselector"
                 android:text="@string/generic_png"
+                android:checked="true"
                 android:textStyle="bold"
                 android:textAlignment="center" />
 
@@ -136,6 +137,7 @@
             android:button="@android:color/transparent"
             android:id="@+id/exportProjectDialogLayout_radioButton_Raw"
             android:text="@string/exportProjectDialogLayout_raw_str"
+            android:checked="true"
             android:textStyle="bold"
             android:textColor="@drawable/radiobuttontextselector"
             android:textAlignment="center" />