profcollect: Increase default dex2oat frequency

Given how infrequently dex2oat gets invoked, the current default of 10%
is too low. Bump the default frequency to 25%.

Test: presubmit
Bug: 319377405
Change-Id: I23fabb7fe75c660ac5a159167ca7b9b3107c4be5
diff --git a/services/profcollect/src/com/android/server/profcollect/ProfcollectForwardingService.java b/services/profcollect/src/com/android/server/profcollect/ProfcollectForwardingService.java
index fb0fbe8..50e426c 100644
--- a/services/profcollect/src/com/android/server/profcollect/ProfcollectForwardingService.java
+++ b/services/profcollect/src/com/android/server/profcollect/ProfcollectForwardingService.java
@@ -327,7 +327,7 @@
         // Sample for a fraction of dex2oat runs.
         final int traceFrequency =
             DeviceConfig.getInt(DeviceConfig.NAMESPACE_PROFCOLLECT_NATIVE_BOOT,
-                "dex2oat_trace_freq", 10);
+                "dex2oat_trace_freq", 25);
         int randomNum = ThreadLocalRandom.current().nextInt(100);
         if (randomNum < traceFrequency) {
             if (DEBUG) {