Remove most android_webview_build conditions from build.

build/android/android_webview_export_whitelist.lst

Index: build/android/android_webview_export_whitelist.lst
diff --git a/build/android/android_webview_export_whitelist.lst b/build/android/android_webview_export_whitelist.lst
deleted file mode 100644
index 2a56a75b09ae99743f25a0dc90b0cdf3f5ec511f..0000000000000000000000000000000000000000
--- a/build/android/android_webview_export_whitelist.lst
+++ /dev/null
@@ -1,16 +0,0 @@
-# Copyright 2014 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.
-
-# Exports specification for android_webview_build==1, which uses a whitelist to
-# enforce only specific symbols being exported.
-# Check ld version script manual:
-# https://sourceware.org/binutils/docs-2.24/ld/VERSION.html#VERSION
-
-{
-  global:
-    Java_*_native*;
-    JNI_OnLoad;
-    __gcov_*;
-  local: *;
-};