layout: restructure into src/ tests/ android/ scripts/ tools/

- extension/src/{port,platform,codepage} -> src/; native_render -> src/host
  (+ dxt, shaders/); libgr2 -> src/gr2; extension/third_party -> third_party
- extension/tests -> tests/port, libgr2/tests -> tests/gr2
- android-native -> android (build.sh, push-client.sh moved in)
- script -> scripts; tools/40250 -> tools/server; oracle -> tools/granny-oracle;
  perf tools -> tools/perf
- all build trees under build/ (native, release, android, port-gate)
- xrender:: CMake aliases -> mt::; port-map ledger impl paths rewritten

No code changes. ctest 15/15, port_gate macos+android PASS, port_map check 0 errors.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

third_party/cpython-2.7.18/Lib/distutils/command/command_template

@@ -0,0 +1,45 @@
+"""distutils.command.x
+
+Implements the Distutils 'x' command.
+"""
+
+# created 2000/mm/dd, John Doe
+
+__revision__ = "$Id$"
+
+from distutils.core import Command
+
+
+class x (Command):
+
+    # Brief (40-50 characters) description of the command
+    description = ""
+
+    # List of option tuples: long name, short name (None if no short
+    # name), and help string.
+    user_options = [('', '',
+                     ""),
+                   ]
+
+
+    def initialize_options (self):
+        self. = None
+        self. = None
+        self. = None
+
+    # initialize_options()
+
+
+    def finalize_options (self):
+        if self.x is None:
+            self.x = 
+
+    # finalize_options()
+
+
+    def run (self):
+
+
+    # run()
+
+# class x