add hpatch interface code

android/jni/hpatch.c

@@ -0,0 +1,13 @@
+// hpatch.c
+// Copyright 2021 housisong, All rights reserved
+
+int hpatch_by_mem(const uint8_t* old,size_t oldsize, uint8_t* newBuf,size_t newsize,
+                  const uint8_t* pat,size_t patsize){
+    //todo:
+    return -1;
+}
+
+int hpatch_by_file(const char* oldfile, const char* newfile, const char* patchfile){
+    //todo:
+    return -1;
+}