Camera: mark testFocusDistanceControl known failure

Bug: 25520851
Change-Id: Ib6195ccb2cdadfbe6fa7511eb3d4a4395f7b2aa9
diff --git a/tests/expectations/knownfailures.txt b/tests/expectations/knownfailures.txt
index 01f64b5..4a70bac 100644
--- a/tests/expectations/knownfailures.txt
+++ b/tests/expectations/knownfailures.txt
@@ -262,6 +262,13 @@
   bug: 23008511
 },
 {
+  description: "The focus distance control test is not yet passing on all devices",
+  names: [
+    "android.hardware.camera2.cts.CaptureRequestTest#testFocusDistanceControl"
+  ],
+  bug: 25520851
+},
+{
   description: "Light status bar CTS coming in late",
   names: [
     "com.android.cts.systemui.LightStatusBarTests#testLightStatusBarIcons"