Add Bengali keyboard layout

This is a preliminary keyboard layout.

Bug: 10028755
Change-Id: I365fb8e942a60d4b690a4af95fcd35bf73fffbe4
diff --git a/java/res/xml/method.xml b/java/res/xml/method.xml
index 68dce8a..67be242 100644
--- a/java/res/xml/method.xml
+++ b/java/res/xml/method.xml
@@ -28,6 +28,7 @@
     be_BY: Belarusian (Belarus)/east_slavic
     bg: Bulgarian/bulgarian
     bg: Bulgarian/bulgarian_bds
+    (bn_IN: Bengali (India)/bengali)  # This is a preliminary keyboard layout.
     ca: Catalan/spanish
     cs: Czech/qwertz
     da: Danish/nordic
@@ -171,6 +172,16 @@
             android:imeSubtypeExtraValue="KeyboardLayoutSet=bulgarian_bds,EmojiCapable"
             android:isAsciiCapable="false"
     />
+    <!-- TODO: This bengali keyboard is a preliminary layout.
+               This isn't based on the final specification. -->
+    <subtype android:icon="@drawable/ic_ime_switcher_dark"
+            android:label="@string/subtype_generic"
+            android:subtypeId="0xbff5986c"
+            android:imeSubtypeLocale="bn_IN"
+            android:imeSubtypeMode="keyboard"
+            android:imeSubtypeExtraValue="KeyboardLayoutSet=bengali,EmojiCapable"
+            android:isAsciiCapable="false"
+    />
     <subtype android:icon="@drawable/ic_ime_switcher_dark"
             android:label="@string/subtype_generic"
             android:subtypeId="0xd2e520d5"