Load v8 snapshots directly from APK (and store them uncompressed)

chrome/android/chrome_apk.gypi

 # Copyright 2015 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.
 {
   'variables': {
     'variables': {
       'native_lib_placeholders_file%': '',
       'chrome_apk_use_relocation_packer%': 1,
       'conditions': [
         # Use the chromium linker unless cygprofile instrumentation is active.
@@ skipping 25 matching lines @@
           # Only attempt relocation packing for 32-bit and 64-bit arm builds
           # that enable the chromium linker. Packing is a no-op if this
           # is not a Release build.
           ['chrome_apk_use_chromium_linker == 1 and (target_arch == "arm" or target_arch == "arm64")', {
             'use_relocation_packer': '<(chrome_apk_use_relocation_packer)',
           }],
         ],
       }],
     ],
     'run_findbugs': 0,
+    # Allow v8 snapshots to be loaded directly from the .apk.
+    'extensions_to_not_compress': 'bin',
   },
   'includes': [ '../../build/java_apk.gypi' ],
 }