Revert of Android: Use linker script to hide all non-JNI symbols

build/android/android_only_explicit_jni_exports.lst

Index: build/android/android_only_explicit_jni_exports.lst
diff --git a/build/android/android_only_explicit_jni_exports.lst b/build/android/android_only_explicit_jni_exports.lst
deleted file mode 100644
index f989691865b267b4a3c47a64459ad01c63bba037..0000000000000000000000000000000000000000
--- a/build/android/android_only_explicit_jni_exports.lst
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright 2017 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.
-
-# Linker script that exports only JNI_OnLoad.
-# Should be used for libraries that do explicit JNI registration.
-
-{
-  global:
-    JNI_OnLoad;
-  local:
-    *;
-};