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.
diff --git a/core/java/android/os/PowerManager.java b/core/java/android/os/PowerManager.java
index 3876a3e..156da47 100644
--- a/core/java/android/os/PowerManager.java
+++ b/core/java/android/os/PowerManager.java
@@ -232,6 +232,8 @@
         /**
          * 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)