Annotate the flicker test case

Acknowledge that there would be a flicker when entering PiP from a
split-screen setup.

Bug: 312446524
Bug: 330014896
Test: atest FromSplitScreenEnterPipOnUserLeaveHintTest
Change-Id: I583d205b6d5d657458045734890020471db7f759
diff --git a/libs/WindowManager/Shell/tests/flicker/pip/src/com/android/wm/shell/flicker/pip/FromSplitScreenEnterPipOnUserLeaveHintTest.kt b/libs/WindowManager/Shell/tests/flicker/pip/src/com/android/wm/shell/flicker/pip/FromSplitScreenEnterPipOnUserLeaveHintTest.kt
index 1ccc7d8..5f25d70 100644
--- a/libs/WindowManager/Shell/tests/flicker/pip/src/com/android/wm/shell/flicker/pip/FromSplitScreenEnterPipOnUserLeaveHintTest.kt
+++ b/libs/WindowManager/Shell/tests/flicker/pip/src/com/android/wm/shell/flicker/pip/FromSplitScreenEnterPipOnUserLeaveHintTest.kt
@@ -24,6 +24,7 @@
 import android.tools.flicker.legacy.LegacyFlickerTestFactory
 import android.tools.helpers.WindowUtils
 import android.tools.traces.parsers.toFlickerComponent
+import androidx.test.filters.FlakyTest
 import androidx.test.filters.RequiresDevice
 import com.android.server.wm.flicker.helpers.SimpleAppHelper
 import com.android.server.wm.flicker.testapp.ActivityOptions
@@ -181,6 +182,12 @@
         }
     }
 
+    /** {@inheritDoc} */
+    @FlakyTest(bugId = 312446524)
+    @Test
+    override fun visibleLayersShownMoreThanOneConsecutiveEntry() =
+        super.visibleLayersShownMoreThanOneConsecutiveEntry()
+
     companion object {
         @Parameterized.Parameters(name = "{0}")
         @JvmStatic