Add UMA for testing whether the Chromium library was page aligned in the APK file.

third_party/android_crazy_linker/src/include/crazy_linker.h

 // 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.
 
 #ifndef CRAZY_LINKER_H
 #define CRAZY_LINKER_H
 
 // This is the crazy linker, a custom dynamic linker that can be used
 // by NDK applications to load shared libraries (not executables) with
 // a twist.
@@ skipping 317 matching lines @@
 // Note that this works even if the memory is inside a system library that
 // was not previously opened with crazy_library_open().
 // |address| is the memory address.
 // On success, returns CRAZY_STATUS_SUCCESS and sets |*library|.
 // The caller muyst call crazy_library_close() once it's done with the
 // library.
 crazy_status_t crazy_library_find_from_address(
     void* address,
     crazy_library_t** library) _CRAZY_PUBLIC;
 
+// Check whether |lib_name| is page aligned in |zipfile_name|.
+crazy_status_t crazy_linker_check_library_aligned_in_zip_file(
+    const char* zipfile_name,
+    const char* lib_name) _CRAZY_PUBLIC;
+
 // Close a library. This decrements its reference count. If it reaches
 // zero, the library be unloaded from the process.
 void crazy_library_close(crazy_library_t* library) _CRAZY_PUBLIC;
 
 // Close a library, with associated context to support delayed operations.
 void crazy_library_close_with_context(crazy_library_t* library,
                                       crazy_context_t* context) _CRAZY_PUBLIC;
 
 #ifdef __cplusplus
 } /* extern "C" */
 #endif
 
 #endif /* CRAZY_LINKER_H */