Do not verbose the "tar tf" command

The `tar tf` command is actually just used to find the root directory.
Verbosing makes the Travis log grow too big, e.g. for `openssl` recipe.
Also simplify the file type detection, `endswith()` can take tuple.

Author: AndreMiras

pythonforandroid/recipe.py

@@ -399,15 +399,10 @@ def unpack(self, arch):
                         root_directory = fileh.filelist[0].filename.split('/')[0]
                         if root_directory != basename(directory_name):
                             shprint(sh.mv, root_directory, directory_name)
-                    elif (extraction_filename.endswith('.tar.gz') or
-                          extraction_filename.endswith('.tgz') or
-                          extraction_filename.endswith('.tar.bz2') or
-                          extraction_filename.endswith('.tbz2') or
-                          extraction_filename.endswith('.tar.xz') or
-                          extraction_filename.endswith('.txz')):
+                    elif extraction_filename.endswith(
+                            ('.tar.gz', '.tgz', '.tar.bz2', '.tbz2', '.tar.xz', '.txz')):
                         sh.tar('xf', extraction_filename)
-                        root_directory = shprint(
-                            sh.tar, 'tf', extraction_filename).stdout.decode(
+                        root_directory = sh.tar('tf', extraction_filename).stdout.decode(
                                 'utf-8').split('\n')[0].split('/')[0]
                         if root_directory != directory_name:
                             shprint(sh.mv, root_directory, directory_name)