Revert "[DO NOT MERGE] Activate hardware keyboard handling"

This reverts commit c741f1f8
DO NOT MERGE is ignored and this is merged anyway :(

Change-Id: Ie044cdfc6021933379ec97ad7346c5c8591f70bf

java/src/com/android/inputmethod/latin/define/ProductionFlag.java

@@ -28,5 +28,5 @@ public final class ProductionFlag {
     // USES_DEVELOPMENT_ONLY_DIAGNOSTICS must be false for any production build.
     public static final boolean USES_DEVELOPMENT_ONLY_DIAGNOSTICS_DEBUG = false;
 
-    public static final boolean IS_HARDWARE_KEYBOARD_SUPPORTED = true;
+    public static final boolean IS_HARDWARE_KEYBOARD_SUPPORTED = false;
 }