Change CodeType from enum to string (HAL)

Bug: 127464982
Test: atest VtsHalGnssV2_0TargetTest
Change-Id: Ia8635c3c071bcb03b75d17ac1ba36767dc7eda72
diff --git a/gnss/2.0/default/GnssMeasurement.cpp b/gnss/2.0/default/GnssMeasurement.cpp
index 702c9e2..a62c2dd 100644
--- a/gnss/2.0/default/GnssMeasurement.cpp
+++ b/gnss/2.0/default/GnssMeasurement.cpp
@@ -114,8 +114,7 @@
     V1_1::IGnssMeasurementCallback::GnssMeasurement measurement_1_1 = {.v1_0 = measurement_1_0};
     V2_0::IGnssMeasurementCallback::GnssMeasurement measurement_2_0 = {
             .v1_1 = measurement_1_1,
-            .codeType = IGnssMeasurementCallback::GnssMeasurementCodeType::C,
-            .otherCodeTypeName = "",
+            .codeType = "C",
             .state = GnssMeasurementState::STATE_CODE_LOCK | GnssMeasurementState::STATE_BIT_SYNC |
                      GnssMeasurementState::STATE_SUBFRAME_SYNC |
                      GnssMeasurementState::STATE_TOW_DECODED |