[Telemetry] Migrate bitmap.py from bitmaptools.cc to numpy

chrome/telemetry.isolate

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 {
   'includes': [
     'chrome.isolate',
   ],
   'conditions': [
     ['OS=="android" or OS=="linux" or OS=="mac" or OS=="win"', {
       # This list comes from running:
@@ skipping 12 matching lines @@
           '../build/android/pylib/',
           '../build/util/',
           '../third_party/WebKit/PerformanceTests/resources/jquery.tablesorter.min.js',
           '../third_party/WebKit/PerformanceTests/resources/statistics.js',
           '../third_party/android_testrunner/',
           '../third_party/flot/jquery.flot.min.js',
           '../third_party/webpagereplay/',
           '../tools/crx_id/',
           '../tools/perf/unit-info.json',
           '../tools/telemetry/',
-          '<(PRODUCT_DIR)/bitmaptools<(EXECUTABLE_SUFFIX)',
         ],
       },
     }],
   ]
 }