[sf] remove flaky tests from presubmit

Change-Id: I75f647ef47e8cd4c78499bfddff91ea34134cb52
Test: presubmit
diff --git a/services/surfaceflinger/TEST_MAPPING b/services/surfaceflinger/TEST_MAPPING
index bfa5997..5512734 100644
--- a/services/surfaceflinger/TEST_MAPPING
+++ b/services/surfaceflinger/TEST_MAPPING
@@ -15,7 +15,16 @@
       "name": "libscheduler_test"
     },
     {
-      "name": "CtsGraphicsTestCases"
+      "name": "CtsGraphicsTestCases",
+      // flaky on mixed gsi builds
+      "options": [
+        {
+          "exclude-filter": "android.graphics.cts.CameraGpuTest#testCameraImageCaptureAndRendering"
+        },
+        {
+          "exclude-filter": "android.graphics.cts.AnimatorLeakTest#testPauseResume"
+        }
+      ]
     },
     {
       "name": "CtsSurfaceControlTests"