Show fingerprint text in backup screen lock

When setting up fingerprint's backup screen lock, show a different
header text that says
"To use fingerprint, set {PIN/pattern/password}" instead of
"Choose your {PIN/pattern/password}".

Test: Manual. Existing tests pass
Bug: 62187833
Change-Id: If1084e64b99291a0eda63c174793b5a091ab4bae

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

@@ -575,6 +575,7 @@ public class ChooseLockGeneric extends SettingsActivity {
                     new ChooseLockPassword.IntentBuilder(getContext())
                             .setPasswordQuality(quality)
                             .setPasswordLengthRange(minLength, maxLength)
+                            .setForFingerprint(mForFingerprint)
                             .setUserId(mUserId);
             if (mHasChallenge) {
                 builder.setChallenge(mChallenge);
@@ -587,6 +588,7 @@ public class ChooseLockGeneric extends SettingsActivity {
         protected Intent getLockPatternIntent() {
             ChooseLockPattern.IntentBuilder builder =
                     new ChooseLockPattern.IntentBuilder(getContext())
+                            .setForFingerprint(mForFingerprint)
                             .setUserId(mUserId);
             if (mHasChallenge) {
                 builder.setChallenge(mChallenge);