Allow encryption when keyguard is set to pattern or no protection

Don't block based on keyguard type, and pass type to encryption function.

Circular dependency on
  https://googleplex-android-review.git.corp.google.com/#/c/444200/

Bug: 13749169
Change-Id: Ica95713adca9552ae56341ff33badd1d4b748af8

src/com/android/settings/ChooseLockSettingsHelper.java

@@ -25,6 +25,7 @@ import android.content.Intent;
 
 public final class ChooseLockSettingsHelper {
 
+    static final String EXTRA_KEY_TYPE = "type";
     static final String EXTRA_KEY_PASSWORD = "password";
 
     private LockPatternUtils mLockPatternUtils;