Change fingerprint reference to biometric for lockdown

Changes the lockdown description to reference biometric unlocks more
generally, and not just fingerprint unlock.

Bug: 135282412
Test: The string for lockdown does not refer to fingerprint
Change-Id: I8f1cf43bc8d42288d96a272b3243a7863c8d4941
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 13d9874..4d0d641 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -808,7 +808,7 @@
     <!-- Text shown for the title of the lockdown option -->
     <string name="lockdown_settings_title">Show lockdown option</string>
     <!-- Text shown for the description of the lockdown option -->
-    <string name="lockdown_settings_summary">Display power button option that turns off Smart Lock, fingerprint unlocking, and notifications on the lock screen</string>
+    <string name="lockdown_settings_summary">Display power button option that turns off Smart Lock, biometric unlocking, and notifications on the lock screen</string>
 
     <!-- Text shown for the title of the extend unlock mode option for trust agents [CHAR LIMIT=40] -->
     <string name="trust_agents_extend_unlock_title">Trust agents only extend unlock</string>