Add time estimates to batterystats dump.

Also fix some java docs.

Change-Id: Ie705f236db6f06e34fa5581c20852e5c8f7c2c17
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 1f45f0a..0be4aea 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -984,8 +984,8 @@
      * InputDeviceIdentifier. This field is used by some activities to jump straight into the
      * settings for the given device.
      * <p>
-     * Example: The {@link #INPUT_METHOD_SETTINGS} intent opens the keyboard layout dialog for the
-     * given device.
+     * Example: The {@link #ACTION_INPUT_METHOD_SETTINGS} intent opens the keyboard layout
+     * dialog for the given device.
      * @hide
      */
     public static final String EXTRA_INPUT_DEVICE_IDENTIFIER = "input_device_identifier";
@@ -4816,7 +4816,7 @@
          * The timeout in milliseconds before the device fully goes to sleep after
          * a period of inactivity.  This value sets an upper bound on how long the device
          * will stay awake or dreaming without user activity.  It should generally
-         * be longer than {@link #SCREEN_OFF_TIMEOUT} as otherwise the device
+         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
          * will sleep before it ever has a chance to dream.
          * <p>
          * Use -1 to disable this timeout.