Fix testForceStopPackageWontRestartProcess fail for low ram device

Extends Launch activity and broadcast receive 5s instead of 2s for low ram device.

Bug: 154438070
Test: run cts-on-gsi -m CtsAppTestCases
      -t android.app.cts.ActivityManagerTest#testForceStopPackageWontRestartProcess
Change-Id: Ia1e9092c28d906c5c6d32e5bf9840b6f3aebdc35
(cherry picked from commit 3219fbfe5007e23848a294af37e3981bd978269e)
diff --git a/tests/app/src/android/app/cts/ActivityManagerTest.java b/tests/app/src/android/app/cts/ActivityManagerTest.java
index 1be2930..3c42d16 100644
--- a/tests/app/src/android/app/cts/ActivityManagerTest.java
+++ b/tests/app/src/android/app/cts/ActivityManagerTest.java
@@ -211,7 +211,7 @@
         private String mActivityToFilter;
         private int result = RESULT_TIMEOUT;
         public long mTimeUsed = 0;
-        private static final int TIMEOUT_IN_MS = 2000;
+        private static final int TIMEOUT_IN_MS = 5000;
 
         // Create the filter with the intent to look for.
         public ActivityReceiverFilter(String activityToFilter) {