Fix logging spam in DashboardFragment.

When updating preferences managed through PreferenceController, the
fragment should skip prefs that are not available.

Bug: 32255863
Test: RunSettingsRoboTests
Change-Id: I2f9b6ddf8c78d40068dc18f07e60672dcba4474a

src/com/android/settings/network/AirplaneModePreferenceController.java

@@ -87,7 +87,7 @@ public class AirplaneModePreferenceController extends PreferenceController
     }
 
     @Override
-    protected boolean isAvailable() {
+    public boolean isAvailable() {
         return !mPackageManager.hasSystemFeature(PackageManager.FEATURE_TELEVISION);
     }
 

src/com/android/settings/network/MobileNetworkPreferenceController.java

@@ -45,7 +45,7 @@ public class MobileNetworkPreferenceController extends PreferenceController {
     }
 
     @Override
-    protected boolean isAvailable() {
+    public boolean isAvailable() {
         return !mIsSecondaryUser
                 && !Utils.isWifiOnly(mContext)
                 && !hasBaseUserRestriction(mContext, DISALLOW_CONFIG_MOBILE_NETWORKS, myUserId());

src/com/android/settings/network/MobilePlanPreferenceController.java

@@ -111,7 +111,7 @@ public class MobilePlanPreferenceController extends PreferenceController impleme
     }
 
     @Override
-    protected boolean isAvailable() {
+    public boolean isAvailable() {
         final boolean isPrefAllowedOnDevice = mContext.getResources().getBoolean(
                 com.android.settings.R.bool.config_show_mobile_plan);
         final boolean isPrefAllowedForUser = !mIsSecondaryUser

src/com/android/settings/network/NetworkResetPreferenceController.java

@@ -37,7 +37,7 @@ public class NetworkResetPreferenceController extends PreferenceController {
     }
 
     @Override
-    protected boolean isAvailable() {
+    public boolean isAvailable() {
         return !RestrictedLockUtils.hasBaseUserRestriction(mContext,
                 UserManager.DISALLOW_NETWORK_RESET, UserHandle.myUserId());
     }

src/com/android/settings/network/ProxyPreferenceController.java

@@ -36,7 +36,7 @@ public class ProxyPreferenceController extends PreferenceController {
     }
 
     @Override
-    protected boolean isAvailable() {
+    public boolean isAvailable() {
         // proxy UI disabled until we have better app support
         return false;
     }

src/com/android/settings/network/TetherPreferenceController.java

@@ -67,7 +67,7 @@ public class TetherPreferenceController extends PreferenceController {
     }
 
     @Override
-    protected boolean isAvailable() {
+    public boolean isAvailable() {
         final boolean isBlocked =
                 (!mConnectivityManager.isTetheringSupported() && !mAdminDisallowedTetherConfig)
                         || hasBaseUserRestriction(mContext, DISALLOW_CONFIG_TETHERING,

src/com/android/settings/network/VpnPreferenceController.java

@@ -58,7 +58,7 @@ public class VpnPreferenceController extends PreferenceController {
     }
 
     @Override
-    protected boolean isAvailable() {
+    public boolean isAvailable() {
         // TODO: http://b/23693383
         return mIsSecondaryUser || RestrictedLockUtils.hasBaseUserRestriction(mContext,
                 UserManager.DISALLOW_CONFIG_VPN, UserHandle.myUserId());

src/com/android/settings/network/WifiCallingPreferenceController.java

@@ -50,7 +50,7 @@ public class WifiCallingPreferenceController extends PreferenceController {
     }
 
     @Override
-    protected boolean isAvailable() {
+    public boolean isAvailable() {
         return ImsManager.isWfcEnabledByPlatform(mContext)
                 && ImsManager.isWfcProvisionedOnDevice(mContext);
     }