Rename buttons in lock screen setup

- "Continue" in choose lock flows are renamed to "Next"
- "Done" in fingerprint enroll finish screen is renamed to "Next"
  during setup flow.

Test: Manual
Bug: 62839648
Change-Id: I3ea77b759b654d7c1da1f7b545781c9dfd74caa3

src/com/android/settings/password/ChooseLockPattern.java

@@ -305,8 +305,8 @@ public class ChooseLockPattern extends SettingsActivity {
          * The states of the right button.
          */
         enum RightButtonMode {
-            Continue(R.string.lockpattern_continue_button_text, true),
-            ContinueDisabled(R.string.lockpattern_continue_button_text, false),
+            Continue(R.string.next_label, true),
+            ContinueDisabled(R.string.next_label, false),
             Confirm(R.string.lockpattern_confirm_button_text, true),
             ConfirmDisabled(R.string.lockpattern_confirm_button_text, false),
             Ok(android.R.string.ok, true);