vndk-def: Add size statistics output

This commit adds `--file-size-output` to `vndk` sub-command.  With this
option, VNDK definition tool can calculate the file size, text segment
size, and data segment size.

Bug: 64193930
Test: ./tests/run.py
Test: ./vndk_definition_tool.py vndk --file-size-output ... --system ...
Change-Id: Ie72e1a644e1cd1d42008a14af0c7f9c2d4733a58
39 files changed