Camera: Remove two ImageReader known failures

Remove testLongProcessingRepeatingFlexibleYuv and
testLongProcessingRepeatingRaw from the known failures.

Bug: 22861512
Change-Id: I0965f7de40284462b737577d6a37bca7465cc6bc
diff --git a/tests/expectations/knownfailures.txt b/tests/expectations/knownfailures.txt
index 40f4b42..08c42ab 100644
--- a/tests/expectations/knownfailures.txt
+++ b/tests/expectations/knownfailures.txt
@@ -176,14 +176,6 @@
   bug: 17989532
 },
 {
-  description: "The new long processing test is not yet passing on all devices",
-  names: [
-    "android.hardware.camera2.cts.ImageReaderTest#testLongProcessingRepeatingRaw",
-    "android.hardware.camera2.cts.ImageReaderTest#testLongProcessingRepeatingFlexibleYuv"
-  ],
-  bug: 22861512
-},
-{
   description: "The timing measurements for preview callbacks are not reliable",
   names: [
     "android.hardware.cts.CameraTest#testPreviewFpsRange"