making bugreport screenshots opt in instead of optout

changelog.d/6261.misc

@@ -0,0 +1 @@
+Making screenshots in bug reports opt in instead of opt out

vector/src/main/res/layout/activity_bug_report.xml

@@ -154,7 +154,7 @@
                     android:layout_height="wrap_content"
                     android:layout_marginStart="10dp"
                     android:layout_marginEnd="10dp"
-                    android:checked="true"
+                    android:checked="false"
                     android:text="@string/send_bug_report_include_screenshot" />
 
                 <ImageView
@@ -181,4 +181,4 @@
         android:clickable="true"
         android:focusable="true"
         android:visibility="gone" />
-</LinearLayout>
+</LinearLayout>