Merge "Update the docstring on getAllCellInfo() for unreported values"

     * methods may return true.

     *

     * <p>This method returns valid data for registered cells on devices with

     * {@link android.content.pm.PackageManager#FEATURE_TELEPHONY}.

     * {@link android.content.pm.PackageManager#FEATURE_TELEPHONY}. In cases where only

     * partial information is available for a particular CellInfo entry, unavailable fields

     * will be reported as Integer.MAX_VALUE. All reported cells will include at least a

     * valid set of technology-specific identification info and a power level measurement.

     *

     *<p>

     * This method is preferred over using {@link