HACK: telephony: Conditionally force enable LTE_CA

* Apparently since S LTE_CA is not properly working,
  let's conditionally force enable it until a proper
  solution is found.

Signed-off-by: DarkJoker360 <simoespo159@gmail.com>

telephony/java/android/telephony/NetworkRegistrationInfo.java

@@ -23,6 +23,7 @@
 import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.os.SystemProperties;
 import android.telephony.AccessNetworkConstants.TransportType;
 import android.telephony.Annotation.NetworkType;
 import android.text.TextUtils;
@@ -522,6 +523,11 @@ public List<Integer> getAvailableServices() {
      * @hide
      */
     public void setAccessNetworkTechnology(@NetworkType int tech) {
+        // HACK: Force LTE Carrier Aggregation
+        if (SystemProperties.getBoolean("persist.sys.radio.force_lte_ca", false)
+                && tech == TelephonyManager.NETWORK_TYPE_LTE) {
+            mIsUsingCarrierAggregation = true;
+        }
         if (tech == TelephonyManager.NETWORK_TYPE_LTE_CA) {
             // For old device backward compatibility support
             tech = TelephonyManager.NETWORK_TYPE_LTE;