Use BiometricPrompt description field for CC description instead

The description field handles longer strings more gracefully

Fixes: 124001277

Test: 1) Open Wi-Fi picker
      2) Select gear on the connected network
      3) Select share button
      4) On BiometricPrompt, text is not cropped

Change-Id: I945830a137a0dc203bba04728b507ceff020dfdc

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

@@ -184,7 +184,7 @@ public class ConfirmDeviceCredentialActivity extends FragmentActivity {
         } else {
             bpBundle = new Bundle();
             bpBundle.putString(BiometricPrompt.KEY_TITLE, mTitle);
-            bpBundle.putString(BiometricPrompt.KEY_SUBTITLE, mDetails);
+            bpBundle.putString(BiometricPrompt.KEY_DESCRIPTION, mDetails);
         }
 
         boolean launchedBiometric = false;