Revert "Assign Copyright to LG Electronics, Inc."

This reverts commit cfa3ea7e9f91af4bbd33a7199a7defa9d1b15056.
Revert "Add support for building unit test binary"

This reverts commit 00b5e8430d51ef0543b8b73265dcb5f267f2394f.
Revert "Correct the license block in README.md"

This reverts commit f173f5ce3b649e3ca0f902dfad3ca772a55c8dc1.