Add the DynamicAndroid Service

Define the DynamicAndroid with AIDL.
  Add a java implementation.
  Start a service instance in the system server.
  Add a permission test.

Bug: 122015653
Test: Build & Test on a pixel phone with following command \
  ./frameworks/base/services/tests/runtests.py -e class com.android.server.DynamicAndroidTest

Merged-In: I2e54b6b71fac4a4c5a9c9c25ce6bdac74cddcfb7
Change-Id: I2e54b6b71fac4a4c5a9c9c25ce6bdac74cddcfb7

services/java/com/android/server/SystemServer.java

@@ -758,6 +758,7 @@ public final class SystemServer {
     private void startOtherServices() {
         final Context context = mSystemContext;
         VibratorService vibrator = null;
+        DynamicAndroidService dynamicAndroid = null;
         IStorageManager storageManager = null;
         NetworkManagementService networkManagement = null;
         IpSecService ipSecService = null;
@@ -867,6 +868,11 @@ public final class SystemServer {
             ServiceManager.addService("vibrator", vibrator);
             traceEnd();
 
+            traceBeginAndSlog("StartDynamicAndroidService");
+            dynamicAndroid = new DynamicAndroidService(context);
+            ServiceManager.addService("dynamic_android", dynamicAndroid);
+            traceEnd();
+
             if (!isWatch) {
                 traceBeginAndSlog("StartConsumerIrService");
                 consumerIr = new ConsumerIrService(context);