android_webview: Enable FDO support for some targets.

third_party/sqlite/sqlite.gyp

 # Copyright (c) 2012 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': {
     'use_system_sqlite%': 0,
     'required_sqlite_version': '3.6.1',
   },
   'target_defaults': {
@@ skipping 143 matching lines @@
             }],
             ['os_posix == 1 and OS != "mac" and OS != "android"', {
               'cflags': [
                 # SQLite doesn't believe in compiler warnings,
                 # preferring testing.
                 #   http://www.sqlite.org/faq.html#q17
                 '-Wno-int-to-pointer-cast',
                 '-Wno-pointer-to-int-cast',
               ],
             }],
+            # Enable feedback-directed optimisation for sqlite when building in android.
+            ['android_webview_build == 1', {
+              'aosp_build_settings': {
+                'LOCAL_FDO_SUPPORT': 'true',
+              },
+            }],
           ],
         }],
       ],
     },
   ],
   'conditions': [
     ['os_posix == 1 and OS != "mac" and OS != "ios" and OS != "android" and not use_system_sqlite', {
       'targets': [
         {
           'target_name': 'sqlite_shell',
@@ skipping 21 matching lines @@
             '../icu/icu.gyp:icuuc',
           ],
           'sources': [
             'src/ext/icu/icu.c',
           ],
         },
       ],
     }],
   ],
 }