sampling profiler hz -> ms

Goes along with def41ec2e8 / Ifcfc343

Change-Id: Ia5cc90e6f8d83dcdf40802859002507980310d06
diff --git a/services/java/com/android/server/SamplingProfilerService.java b/services/java/com/android/server/SamplingProfilerService.java
index 26af7f7..61267d0 100644
--- a/services/java/com/android/server/SamplingProfilerService.java
+++ b/services/java/com/android/server/SamplingProfilerService.java
@@ -88,7 +88,7 @@
     private void registerSettingObserver(Context context) {
         ContentResolver contentResolver = context.getContentResolver();
         contentResolver.registerContentObserver(
-                Settings.Secure.getUriFor(Settings.Secure.SAMPLING_PROFILER_HZ),
+                Settings.Secure.getUriFor(Settings.Secure.SAMPLING_PROFILER_MS),
                 false, new SamplingProfilerSettingsObserver(contentResolver));
     }
 
@@ -107,12 +107,11 @@
         }
         @Override
         public void onChange(boolean selfChange) {
-            Integer samplingProfilerHz = Settings.Secure.getInt(
-                    mContentResolver, Settings.Secure.SAMPLING_PROFILER_HZ, 0);
+            Integer samplingProfilerMs = Settings.Secure.getInt(
+                    mContentResolver, Settings.Secure.SAMPLING_PROFILER_MS, 0);
             // setting this secure property will start or stop sampling profiler,
-            // as well as adjust the frequency of taking snapshots.
-            SystemProperties.set("persist.sys.profiler_hz", samplingProfilerHz.toString());
+            // as well as adjust the the time between taking snapshots.
+            SystemProperties.set("persist.sys.profiler_ms", samplingProfilerMs.toString());
         }
     }
 }
-