Improve getModemActivityInfo API

Add optional fields to allow modem to report activity information
of different technologies

Bug: 202413770
Test: m android.hardware.radio.modem-update-api

Change-Id: I3bb76c030222868ce881487fb17692a476c5f846
diff --git a/radio/aidl/compat/libradiocompat/modem/structs.h b/radio/aidl/compat/libradiocompat/modem/structs.h
index 3ac1edb..af714c7 100644
--- a/radio/aidl/compat/libradiocompat/modem/structs.h
+++ b/radio/aidl/compat/libradiocompat/modem/structs.h
@@ -16,6 +16,7 @@
 #pragma once
 
 #include <aidl/android/hardware/radio/modem/ActivityStatsInfo.h>
+#include <aidl/android/hardware/radio/modem/ActivityStatsTechSpecificInfo.h>
 #include <aidl/android/hardware/radio/modem/HardwareConfig.h>
 #include <aidl/android/hardware/radio/modem/HardwareConfigModem.h>
 #include <aidl/android/hardware/radio/modem/HardwareConfigSim.h>