Misc fixes to CryptKeeper

- use standard IME, but force it into ASCII if it's the default IME
- provide an IME switcher if there are multiple IME's, in case the
ASCII-capable one is a different one
- make the IME shown by default

Bug: 5004456
Bug: 4698473
Change-Id: Id40a164cfe599bfdb67b81f60d4ab8a52208de88

res/layout-sw600dp/crypt_keeper_password_entry.xml

@@ -45,18 +45,15 @@
         />
 
         <!-- Password entry field -->
-        <view
-            class="com.android.settings.CryptKeeper$CryptEditText"
-            android:id="@+id/passwordEntry"
+        <LinearLayout
             android:layout_height="wrap_content"
             android:layout_width="320dip"
             android:layout_toRightOf="@+id/passwordLabel"
             android:layout_marginTop="26dip"
-            android:singleLine="true"
-            android:inputType="textPassword"
-            android:textAppearance="?android:attr/textAppearanceMedium"
-            android:editable="false"
-        />
+            android:orientation="horizontal"
+        >
+            <include layout="@layout/crypt_keeper_password_field" />
+        </LinearLayout>
 
         <TextView android:id="@+id/status"
             android:layout_height="wrap_content"
@@ -72,13 +69,4 @@
         />
     </RelativeLayout>
 
-    <com.android.internal.widget.PasswordEntryKeyboardView android:id="@+id/keyboard"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_alignParentBottom="true"
-        android:background="#00000000"
-        android:keyBackground="@*android:drawable/btn_keyboard_key_fulltrans"
-        android:visibility="visible"
-    />
-
-</RelativeLayout>
+</RelativeLayout>