Merge "Fix 5185505: Update DevicePolicyManager to support weak biometric security."

Author: Jim Miller

core/java/android/app/admin/DevicePolicyManager.java

@@ -82,7 +82,7 @@ public static DevicePolicyManager create(Context context, Handler handler) {
     /**
      * Activity action: send when any policy admin changes a policy.
      * This is generally used to find out when a new policy is in effect.
-     * 
+     *
      * @hide
      */
     public static final String ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED
@@ -205,6 +205,14 @@ public boolean hasGrantedPolicy(ComponentName admin, int usesPolicy) {
      */
     public static final int PASSWORD_QUALITY_UNSPECIFIED = 0;
 
+    /**
+     * Constant for {@link #setPasswordQuality}: the policy allows for low-security biometric
+     * recognition technology.  This implies technologies that can recognize the identity of
+     * an individual to about a 3 digit PIN (false detection is less than 1 in 1,000).
+     * Note that quality constants are ordered so that higher values are more restrictive.
+     */
+    public static final int PASSWORD_QUALITY_BIOMETRIC_WEAK = 0x8000;
+
     /**
      * Constant for {@link #setPasswordQuality}: the policy requires some kind
      * of password, but doesn't care what it is.  Note that quality constants