Merge "Clarify docs a bit" into oc-mr1-dev

 * \param env The JNIEnv* pointer

 * \param sharedMemory The Java android.os.SharedMemory object

 * \return file descriptor that denotes the shared memory; -1 if the shared memory object is

 *      already closed or if the JNIEnv or jobject is NULL.

 *      already closed, if the JNIEnv or jobject is NULL, or if there are too many open file

 *      descriptors (errno=EMFILE)

 */

int ASharedMemory_dupFromJava(JNIEnv* env, jobject sharedMemory);