added android client

android/app/src/main/cpp/pstr_mpv.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include <stddef.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+int64_t pstr_android_stream_read(uint64_t handle, uint64_t offset, void *buffer, size_t length);
+int64_t pstr_android_stream_size(uint64_t handle);
+void pstr_android_stream_release(uint64_t handle);
+#ifdef __cplusplus
+}
+#endif