Revert "Move httplib2 import above third_party."

This reverts commit cd1331ea.

Reason for revert:
Original CL was reverted.

Original change's description:
> Move httplib2 import above third_party.
> 
> 7fd6347b removed the third_party/httplib2 files, but left the pyc files. This is breaking CQ for nest.
> 
> move httplib2 import above adding third_party to the path in ninjalog_uploader_wrapper to fix.
> 
> Change-Id: Id28f68ce7e3eb94783bdd5ee7ce15ae5930fde7e
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1988690
> Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>
> Commit-Queue: Mark Orchard <morchard@google.com>

TBR=ehmaldonado@webrtc.org,ehmaldonado@chromium.org,morchard@google.com,apolito@google.com

Change-Id: Ic7775cdb4abae1855358711335349fc39eb37dfb
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1988739Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>

ninjalog_uploader.py

@@ -18,7 +18,6 @@ The log will be used to analyze user side build performance.
 import argparse
 import cStringIO
 import gzip
-import httplib2
 import json
 import logging
 import multiprocessing
@@ -28,9 +27,11 @@ import subprocess
 import sys
 import time
 
+
 ROOT_DIR = os.path.dirname(os.path.abspath(__file__))
 sys.path.insert(0, os.path.join(ROOT_DIR, 'third_party'))
 
+import httplib2
 
 # These build configs affect build performance a lot.
 # TODO(tikuta): Add 'blink_symbol_level', 'closure_compile' and