Link in libtonemap into composer VTS

Bug: 200310159
Test: builds
Change-Id: I9183cf2bcb11a837ab2f27d9210f3c30f02d093a
diff --git a/graphics/composer/2.2/utils/vts/Android.bp b/graphics/composer/2.2/utils/vts/Android.bp
index 5c085cb..51295a6 100644
--- a/graphics/composer/2.2/utils/vts/Android.bp
+++ b/graphics/composer/2.2/utils/vts/Android.bp
@@ -43,6 +43,7 @@
         "libmath",
         "libnativewindow",
         "librenderengine",
+        "libtonemap",
         "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.mapper@3.0-vts",
         "android.hardware.graphics.mapper@4.0",