am 8310b42f: Add javadoc saying that wake locks are ref counted by default.

Merge commit '8310b42fbc086b0f05fc8ef45ac34c7e099c485e' into gingerbread-plus-aosp

* commit '8310b42fbc086b0f05fc8ef45ac34c7e099c485e':
  Add javadoc saying that wake locks are ref counted by default.

core/java/android/os/PowerManager.java

@@ -232,6 +232,8 @@ public class PowerManager
         /**
          * Sets whether this WakeLock is ref counted.
          *
+         * <p>Wake locks are reference counted by default.
+         *
          * @param value true for ref counted, false for not ref counted.
          */
         public void setReferenceCounted(boolean value)