Improve grammar in startService() documentation.

    /**

     * Request that a given application service be started.  The Intent

     * should contain either contain the complete class name of a specific service

     * implementation to start or a specific package name to target.  If the

     * Intent is less specified, it log a warning about this and which of the

     * multiple matching services it finds and uses will be undefined.  If this service

     * should either contain the complete class name of a specific service

     * implementation to start, or a specific package name to target.  If the

     * Intent is less specified, it logs a warning about this.  In this case any of the

     * multiple matching services may be used.  If this service

     * is not already running, it will be instantiated and started (creating a

     * process for it if needed); if it is running then it remains running.

     *

     * managed by {@link #bindService}: it requires the service to remain

     * running until {@link #stopService} is called, regardless of whether

     * any clients are connected to it.  Note that calls to startService()

     * are not nesting: no matter how many times you call startService(),

     * do not nest: no matter how many times you call startService(),

     * a single call to {@link #stopService} will stop it.

     *

     * <p>The system attempts to keep running services around as much as