finish top level android directory files

sharedmem_jni.odin

@@ -0,0 +1,24 @@
+//+build android
+package android
+
+foreign import android "system:android"
+
+foreign android {
+	/**
+	 * Returns a dup'd FD from the given Java android.os.SharedMemory object. The returned file
+	 * descriptor has all the same properties & capabilities as the FD returned from
+	 * ASharedMemory_create(), however the protection flags will be the same as those of the
+	 * android.os.SharedMemory object.
+	 *
+	 * Use close() to release the shared memory region.
+	 *
+	 * Available since API level 27.
+	 *
+	 * \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, if the JNIEnv or jobject is NULL, or if there are too many open file
+	 *      descriptors (errno=EMFILE)
+	 */
+	ASharedMemory_dupFromJava :: proc(env: ^JNIEnv, sharedMemory: jobject) -> i32 ---
+}