Add visibility to igt-gpu-tools and cairo

This is needed to build the latest igt-gpu-tools

Bug: b/394363723, b/371197912
Test: atest IgtKmsAddfbBasicTestCases
Flag: TEST_ONLY
Change-Id: Iafb070431716b434a65a4647926ab3b618d0c43c
Signed-off-by: Jeevaka Prabu Badrappan <jeevaka.badrappan@intel.com>

Android.bp

diff --git a/Android.bp b/Android.bp
index 1ab3d99..ee1b704 100644
--- a/Android.bp
+++ b/Android.bp
@@ -11,6 +11,8 @@
         "//device/google/cuttlefish/host/frontend/webrtc",
         "//device/google/cuttlefish/host/libs/confui",
         "//device/google/cuttlefish/host/libs/screen_connector",
+        "//external/igt-gpu-tools",
+        "//external/cairo",
         "//external/pdfium",
         "//external/skia",
         "//frameworks/base/core/jni",