[sharktank] Move version_info.json to subdir

Furthermore, unify the way the path to the version file is determined
(now similar to shortfin).

Author: marbre

sharktank/setup.py

@@ -13,19 +13,23 @@
 
 THIS_DIR = Path(__file__).resolve().parent
 REPO_DIR = THIS_DIR.parent
-VERSION_INFO_FILE = REPO_DIR / "version_info.json"
+SETUPPY_DIR = os.path.realpath(os.path.dirname(__file__))
 
 
 with open(
     os.path.join(
-        THIS_DIR,
+        SETUPPY_DIR,
         "README.md",
     ),
     "rt",
 ) as f:
     README = f.read()
 
 
+# Setup and get version information.
+VERSION_INFO_FILE = os.path.join(SETUPPY_DIR, "version_info.json")
+
+
 def load_version_info():
     with open(VERSION_INFO_FILE, "rt") as f:
         return json.load(f)