graphics: make mapper VTS utils more reusable

Better include path (#include <mapper-vts/2.0/MapperVts.h>), better
library naming, and move GraphicsMapperHidlEnvironment to where
tests are defined.

Test: VTS
Change-Id: I9fbf6515993ac11852b11ca6b8194a58afe5579a
diff --git a/graphics/mapper/2.0/vts/functional/Android.bp b/graphics/mapper/2.0/vts/functional/Android.bp
index 8093b08..969317a 100644
--- a/graphics/mapper/2.0/vts/functional/Android.bp
+++ b/graphics/mapper/2.0/vts/functional/Android.bp
@@ -18,14 +18,10 @@
     name: "VtsHalGraphicsMapperV2_0TargetTest",
     defaults: ["VtsHalTargetTestDefaults"],
     srcs: ["VtsHalGraphicsMapperV2_0TargetTest.cpp"],
-    shared_libs: [
-        "libsync",
-    ],
     static_libs: [
         "android.hardware.graphics.allocator@2.0",
-        "android.hardware.graphics.mapper@2.0",
         "android.hardware.graphics.common@1.0",
-        "libVtsHalGraphicsMapperTestUtils",
-        "libnativehelper",
+        "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@2.0-vts",
     ],
 }