Disable "Notification Cooldown" for flicker tests

Change-Id: I26bf9f4df26576ac769ee5da6a74e605fb358a4b
Fixes: 342551612
Test: FlickerTestsNotification com.android.server.wm.flicker.notification.OpenAppFromLockscreenNotificationColdTest
Flag: TEST_ONLY

tests/FlickerTests/FlickerService/src/com/android/server/wm/flicker/service/Utils.kt

@@ -17,6 +17,7 @@
 package com.android.server.wm.flicker.service
 
 import android.app.Instrumentation
+import android.platform.test.rule.DisableNotificationCooldownSettingRule
 import android.platform.test.rule.NavigationModeRule
 import android.platform.test.rule.PressHomeRule
 import android.platform.test.rule.UnlockScreenRule
@@ -48,6 +49,7 @@ object Utils {
                     clearCacheAfterParsing = false
                 )
             )
+            .around(DisableNotificationCooldownSettingRule())
             .around(PressHomeRule())
     }
 }

tests/FlickerTests/Notification/src/com/android/server/wm/flicker/notification/OpenAppFromNotificationWarmTest.kt

@@ -18,6 +18,7 @@ package com.android.server.wm.flicker.notification
 
 import android.platform.test.annotations.Postsubmit
 import android.platform.test.annotations.Presubmit
+import android.platform.test.rule.DisableNotificationCooldownSettingRule
 import android.tools.flicker.junit.FlickerParametersRunnerFactory
 import android.tools.flicker.legacy.FlickerBuilder
 import android.tools.flicker.legacy.FlickerTestData
@@ -37,6 +38,7 @@ import com.android.server.wm.flicker.navBarWindowIsVisibleAtEnd
 import com.android.server.wm.flicker.taskBarLayerIsVisibleAtEnd
 import com.android.server.wm.flicker.taskBarWindowIsVisibleAtEnd
 import org.junit.Assume
+import org.junit.ClassRule
 import org.junit.FixMethodOrder
 import org.junit.Ignore
 import org.junit.Test
@@ -208,5 +210,10 @@ open class OpenAppFromNotificationWarmTest(flicker: LegacyFlickerTest) :
         @Parameterized.Parameters(name = "{0}")
         @JvmStatic
         fun getParams() = LegacyFlickerTestFactory.nonRotationTests()
+
+        /** Ensures that posted notifications will alert and HUN even just after boot. */
+        @ClassRule
+        @JvmField
+        val disablenotificationCooldown = DisableNotificationCooldownSettingRule()
     }
 }