Update the test directory structure

vts is moved from aidl/android/ to aidl/vts
functional, include & composer-vts directory is removed as well.

BUG: 220171967
Test: atest VtsHalGraphicsComposer3_TargetTest
Change-Id: I6cafbbd99374308a1cc06e27cc590e70618f7075
13 files changed