add capability for TelephonyManager.getNetworkSlicingConfiguration()

- add comment to specify HAL interface getSlicingConfig() which is used
  by TelephonyManager.getNetworkSlicingConfiguration() is in the reduced
  feature set.
- allow REQUEST_NOT_SUPPORTED for HAL interface getSlicingConfig() and
  update related VTS test case.

Bug: 181713905
Test: run "atest VtsHalRadioV1_6TargetTest" and check the result for
      getSlicingConfig is PASSED
[3/17] PerInstance/RadioHidlTest_v1_6#getSlicingConfig/0_slot1: PASSED (9ms)

Change-Id: Ia318b8225e8b0e772a85bb9909f2e0114e0ae6e3
diff --git a/radio/1.6/IRadioResponse.hal b/radio/1.6/IRadioResponse.hal
index 883711c..805586b 100644
--- a/radio/1.6/IRadioResponse.hal
+++ b/radio/1.6/IRadioResponse.hal
@@ -433,6 +433,7 @@
      *   RadioError:RADIO_NOT_AVAILABLE
      *   RadioError:INTERNAL_ERR
      *   RadioError:MODEM_ERR
+     *   RadioError:REQUEST_NOT_SUPPORTED
      */
     oneway getSlicingConfigResponse(RadioResponseInfo info,
             SlicingConfig slicingConfig);
diff --git a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
index 7fde18e..70abc4b 100644
--- a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
@@ -172,7 +172,13 @@
     EXPECT_EQ(std::cv_status::no_timeout, wait());
     EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_6->rspInfo.type);
     EXPECT_EQ(serial, radioRsp_v1_6->rspInfo.serial);
-    EXPECT_EQ(::android::hardware::radio::V1_6::RadioError::NONE, radioRsp_v1_6->rspInfo.error);
+    if (getRadioHalCapabilities().modemReducedFeatureSet1) {
+        ASSERT_TRUE(CheckAnyOfErrors(
+                radioRsp_v1_6->rspInfo.error,
+                {::android::hardware::radio::V1_6::RadioError::REQUEST_NOT_SUPPORTED}));
+    } else {
+        EXPECT_EQ(::android::hardware::radio::V1_6::RadioError::NONE, radioRsp_v1_6->rspInfo.error);
+    }
 }
 
 /*
diff --git a/radio/config/1.3/types.hal b/radio/config/1.3/types.hal
index 2b6c9f0..8667f0a 100644
--- a/radio/config/1.3/types.hal
+++ b/radio/config/1.3/types.hal
@@ -33,6 +33,9 @@
    * </li>
    * <li>Requesting android.hardware.radio@1.6::IRadio.setDataThrottling()
    * </li>
+   * <li>Providing android.hardware.radio@1.6::SlicingConfig through
+   * android.hardware.radio@1.6::getSlicingConfig()
+   * </li>
    * </ul>
    */
   bool modemReducedFeatureSet1;
diff --git a/radio/config/1.3/vts/functional/radio_config_hidl_hal_utils.h b/radio/config/1.3/vts/functional/radio_config_hidl_hal_utils.h
index 895ae08..50038eb 100644
--- a/radio/config/1.3/vts/functional/radio_config_hidl_hal_utils.h
+++ b/radio/config/1.3/vts/functional/radio_config_hidl_hal_utils.h
@@ -37,7 +37,7 @@
 
 #include "vts_test_util.h"
 
-using namespace ::android::hardware::radio::config::V1_2;
+using namespace ::android::hardware::radio::config::V1_3;
 
 using ::android::sp;
 using ::android::hardware::hidl_string;
@@ -46,9 +46,11 @@
 using ::android::hardware::Void;
 using ::android::hardware::radio::config::V1_1::ModemsConfig;
 using ::android::hardware::radio::config::V1_1::PhoneCapability;
+using ::android::hardware::radio::config::V1_2::IRadioConfigIndication;
 using ::android::hardware::radio::config::V1_2::SimSlotStatus;
 using ::android::hardware::radio::config::V1_3::HalDeviceCapabilities;
 using ::android::hardware::radio::config::V1_3::IRadioConfig;
+using ::android::hardware::radio::config::V1_3::IRadioConfigResponse;
 using ::android::hardware::radio::V1_0::RadioResponseInfo;
 
 #define RADIO_SERVICE_NAME "slot1"
diff --git a/radio/config/1.3/vts/functional/radio_config_response.cpp b/radio/config/1.3/vts/functional/radio_config_response.cpp
index 11e3cce..5501ae2 100644
--- a/radio/config/1.3/vts/functional/radio_config_response.cpp
+++ b/radio/config/1.3/vts/functional/radio_config_response.cpp
@@ -64,8 +64,9 @@
 }
 
 Return<void> RadioConfigResponse::getHalDeviceCapabilitiesResponse(
-        const ::android::hardware::radio::V1_6::RadioResponseInfo& /* info */,
+        const ::android::hardware::radio::V1_6::RadioResponseInfo& info,
         const ::android::hardware::radio::config::V1_3::HalDeviceCapabilities& capabilities) {
     halDeviceCapabilities = capabilities;
+    parent.notify(info.serial);
     return Void();
 }