Support waiting for surfaceflinger service to stop before test starts

Bug: 168787663
Test: atest VtsHalGraphicsComposerV2_1TargetTest \
  VtsHalGraphicsComposerV2_2TargetTest \
  VtsHalGraphicsComposerV2_3TargetTest
Change-Id: I1219b8446ca3ac3d22f3fd6ab72cd8a214f55545
diff --git a/graphics/composer/2.2/vts/functional/Android.bp b/graphics/composer/2.2/vts/functional/Android.bp
index d80845f..f07a10b 100644
--- a/graphics/composer/2.2/vts/functional/Android.bp
+++ b/graphics/composer/2.2/vts/functional/Android.bp
@@ -27,6 +27,7 @@
         "libEGL",
         "libGLESv1_CM",
         "libGLESv2",
+        "libbase",
         "libfmq",
         "libgui",
         "libhidlbase",