Revert "Build userdebug_plat_sepolicy.cil with Android.bp"

This reverts commit 57b64bd282d0b5f57abf221bca5f18d9c1dc2564.

Because it breaks the usage of boot-debug.img and
vendor_boot-debug.img.

Bug: 185970130
Bug: 185990198
Test: make bootimage_debug
Change-Id: I2c7c4f9954540a9be301b3ed0a6c2f0af2019803
4 files changed