Fix error when copying the generated library libpythonX.so

Because since the introduction of the ability to compile our python installation files, the copy command fails (because of the relative path and the fact that the compile command, recently introduced, probably changes the environment path, so when we try to copy the library the target directory is not found)

Author: opacam

pythonforandroid/python.py

@@ -344,7 +344,7 @@ def create_python_bundle(self, dirn, arch):
         if self.major_minor_version_string[0] == '3':
             python_lib_name += 'm'
         shprint(sh.cp, join(python_build_dir, python_lib_name + '.so'),
-                'libs/{}'.format(arch.arch))
+                join(self.ctx.dist_dir, self.ctx.dist_name, 'libs', arch.arch))
 
         info('Renaming .so files to reflect cross-compile')
         self.reduce_object_file_names(join(dirn, 'site-packages'))