Change switch ratio when new package has reported during device boot up.

Fix: 150818125
Test: atest collectAsyncStackTrace

Change-Id: Iac61ef6177b648cd3734896845fd7bc799490f7e

services/core/java/com/android/server/appop/AppOpsService.java

@@ -5750,7 +5750,7 @@ public class AppOpsService extends IAppOpsService.Stub {
      */
     private void switchPackageIfBootTimeOrRarelyUsedLocked(@NonNull String packageName) {
         if (mSampledPackage == null) {
-            if (ThreadLocalRandom.current().nextFloat() < 0.1f) {
+            if (ThreadLocalRandom.current().nextFloat() < 0.5f) {
                 mSamplingStrategy = SAMPLING_STRATEGY_BOOT_TIME_SAMPLING;
                 resampleAppOpForPackageLocked(packageName);
             }