Fixed a property naming mismatch.

Device configuration properties in ZygoteConfig.java used old names for
certain values.  These name strings have been updated to the correct
values and additional logging has been added to help catch future
issues.

Test: m
Test: boot and check log for USAP messages
Change-Id: I2fb92afe7edd9b1254dd3be659ec5063aa0b8e16

core/java/android/os/ZygoteProcess.java

@@ -671,11 +671,13 @@ public class ZygoteProcess {
                     Boolean.parseBoolean(USAP_POOL_ENABLED_DEFAULT));
         }
 
-        if (origVal != mUsapPoolEnabled) {
+        boolean valueChanged = origVal != mUsapPoolEnabled;
+
+        if (valueChanged) {
             Log.i(LOG_TAG, "usapPoolEnabled = " + mUsapPoolEnabled);
         }
 
-        return origVal != mUsapPoolEnabled;
+        return valueChanged;
     }
 
     private boolean mIsFirstPropCheck = true;