Lazy initialize CertificateTransparencyDownloader and DataStore

To prevent Post Boot unlock regressions.

Flag: android.security.certificate_transparency_configuration
Bug: 383437444
Test: atest NetworkSecurityUnitTests
Change-Id: I9da001863998aba7cdf962275d8611e32e8efa84
diff --git a/networksecurity/service/src/com/android/server/net/ct/CertificateTransparencyJob.java b/networksecurity/service/src/com/android/server/net/ct/CertificateTransparencyJob.java
index bf23cb0..be24a58 100644
--- a/networksecurity/service/src/com/android/server/net/ct/CertificateTransparencyJob.java
+++ b/networksecurity/service/src/com/android/server/net/ct/CertificateTransparencyJob.java
@@ -39,6 +39,8 @@
     private final CertificateTransparencyDownloader mCertificateTransparencyDownloader;
     private final AlarmManager mAlarmManager;
 
+    private boolean mDependenciesReady = false;
+
     /** Creates a new {@link CertificateTransparencyJob} object. */
     public CertificateTransparencyJob(
             Context context,
@@ -51,9 +53,6 @@
     }
 
     void initialize() {
-        mDataStore.load();
-        mCertificateTransparencyDownloader.initialize();
-
         mContext.registerReceiver(
                 this, new IntentFilter(ACTION_JOB_START), Context.RECEIVER_EXPORTED);
         mAlarmManager.setInexactRepeating(
@@ -77,6 +76,11 @@
         if (Config.DEBUG) {
             Log.d(TAG, "Starting CT daily job.");
         }
+        if (!mDependenciesReady) {
+            mDataStore.load();
+            mCertificateTransparencyDownloader.initialize();
+            mDependenciesReady = true;
+        }
 
         mDataStore.setProperty(Config.CONTENT_URL, Config.URL_LOG_LIST);
         mDataStore.setProperty(Config.METADATA_URL, Config.URL_SIGNATURE);
diff --git a/networksecurity/service/src/com/android/server/net/ct/CertificateTransparencyService.java b/networksecurity/service/src/com/android/server/net/ct/CertificateTransparencyService.java
index 782e6b5..6151727 100644
--- a/networksecurity/service/src/com/android/server/net/ct/CertificateTransparencyService.java
+++ b/networksecurity/service/src/com/android/server/net/ct/CertificateTransparencyService.java
@@ -43,7 +43,7 @@
         return DeviceConfig.getBoolean(
                         Config.NAMESPACE_NETWORK_SECURITY,
                         Config.FLAG_SERVICE_ENABLED,
-                        /* defaultValue= */ false)
+                        /* defaultValue= */ true)
                 && certificateTransparencyService()
                 && certificateTransparencyConfiguration();
     }