DO NOT MERGE :CDD Annotation for section 3.8.6

CDD SECTION: 3.8.6/C-1-1/C-1-2:
[C-1-1] MUST NOT alter any of the Holo theme attributes exposed to applications.
[C-1-2] MUST support the “Material” theme family and MUST NOT alter any of the
Material theme attributes or their assets exposed to applications.
-->ThemeHostTest.java

3.8.6/C-2-2:  Android device implementations MUST change the color of the system status icons
to black (for details, refer to R.style) when an app requests a light status bar.
-->LightBarTests.java#testLightStatusBarIcons
Not necessarily checking the system status icons

Modified Android.mk to include compatibility-device-util for
CddTest import

CDD VERSION: 8.1 https://source.android.com/compatibility/8.1/android-8.1-cdd

Test: make cts

Bug : 112612833

Change-Id: I7ba7c60289631721e4f3f5996ea3102b4f8edb9f