Revert "mkbootimg: Build mkbootimg with Soong."

This reverts commit 51360fc3497004fddcc351460bb9a1b9ae6b9b6a.

Reason for revert: Triggered some crash in Soong.

Bug: 116698229
Change-Id: Iab4827fdadc65cbabb60aa07eeac7b33acea68a0
4 files changed