Add a Registration Failure indication to IRadio

Add an indication to IRadio that is fired whenever
a cellular registration failure occurs.

Bug: 143187065
Test: atest VtsHalRadioV1_5TargetTest
Merged-In: I7765a7491f807a08272b9bc8923ae9377ff3b9d1
Change-Id: I7765a7491f807a08272b9bc8923ae9377ff3b9d1
(cherry picked from commit 13834c4a796c665668deaec8af957349d1a8a82b)
diff --git a/radio/1.5/vts/functional/radio_indication.cpp b/radio/1.5/vts/functional/radio_indication.cpp
index acffbbe..2416605 100644
--- a/radio/1.5/vts/functional/radio_indication.cpp
+++ b/radio/1.5/vts/functional/radio_indication.cpp
@@ -333,3 +333,12 @@
                                                                      bool /*enabled*/) {
     return Void();
 }
+
+Return<void> RadioIndication_v1_5::registrationFailed(
+        RadioIndicationType /*type*/,
+        const ::android::hardware::radio::V1_5::CellIdentity& /*cellIdentity*/,
+        const ::android::hardware::hidl_string& /*chosenPlmn*/,
+        ::android::hardware::hidl_bitfield<::android::hardware::radio::V1_5::Domain> /*domain*/,
+        int32_t /*causeCode*/, int32_t /*additionalCauseCode*/) {
+    return Void();
+}