Add EnabledWhenDefaultIsNotAsciiCapable to English keyboard subtype

Bug: 5806103

Change-Id: Iffdc68565f4a8b5af98247a4dff9dc4e76b4056a
diff --git a/java/res/xml/method.xml b/java/res/xml/method.xml
index f58ad76..a3b1d58 100644
--- a/java/res/xml/method.xml
+++ b/java/res/xml/method.xml
@@ -32,7 +32,7 @@
             android:label="@string/subtype_en_US"
             android:imeSubtypeLocale="en_US"
             android:imeSubtypeMode="keyboard"
-            android:imeSubtypeExtraValue="TrySuppressingImeSwitcher,AsciiCapable,SupportTouchPositionCorrection"
+            android:imeSubtypeExtraValue="TrySuppressingImeSwitcher,AsciiCapable,SupportTouchPositionCorrection,EnabledWhenDefaultIsNotAsciiCapable"
     />
     <subtype android:icon="@drawable/ic_subtype_keyboard"
             android:label="@string/subtype_en_GB"