testing: Add dEQP test merge script.

scripts/angle_deqp_test_merge.py

+#!/usr/bin/env python
+#
+# Copyright 2021 The ANGLE Project Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+""" Merges dEQP sharded test results in the ANGLE testing infrastucture."""
+
+import os
+import sys
+
+d = os.path.dirname
+THIS_DIR = d(os.path.abspath(__file__))
+ANGLE_SRC_DIR = d(THIS_DIR)
+sys.path.insert(0, os.path.join(ANGLE_SRC_DIR, 'testing', 'merge_scripts'))
+CHROMIUM_SRC_DIR = d(d(ANGLE_SRC_DIR))
+sys.path.insert(0, os.path.join(CHROMIUM_SRC_DIR, 'testing', 'merge_scripts'))
+
+import merge_api
+import standard_isolated_script_merge
+
+
+def main(raw_args):
+
+    parser = merge_api.ArgumentParser()
+    args = parser.parse_args(raw_args)
+
+    # TODO(jmadill): Merge QPA files into one. http://anglebug.com/5236
+
+    return standard_isolated_script_merge.StandardIsolatedScriptMerge(
+        args.output_json, args.summary_json, args.jsons_to_merge)
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv[1:]))