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With this change setting 'load_library_from_zip_file' to 1 will now
construct the APK with a new tool chain. The purpose of this change is
to contruct the APK in such a way that the page alignment is not broken
by the chrome signing process. To achieve this the tool is written in
Java so it shares the same underlying JarOutputStream implementation.
The key things that we depend on are that the filenames are output in
lexographical order with the META_INF files at the end of the file.
That zipalign adds 4 byte alignment to STORED files and this is done by
adding padding to the zip extra field.

BUG=390618

Review URL: https://codereview.chromium.org/595933003

Cr-Commit-Position: refs/heads/master@{#297439}