Add API enums for ODP PGA open beta CUJ 2, 5, 6.

Bug: 399446815
Flag: EXEMPT (bug 337358613 )
BYPASS_PS_FLAG_CHECK: not needed
Test: atest

Change-Id: I51860b3d07143ab0463d5dbadf9072e98904eb91
diff --git a/stats/enums/adservices/common/adservices_api_metrics_enums.proto b/stats/enums/adservices/common/adservices_api_metrics_enums.proto
index 8405989..6cdf616 100644
--- a/stats/enums/adservices/common/adservices_api_metrics_enums.proto
+++ b/stats/enums/adservices/common/adservices_api_metrics_enums.proto
@@ -110,4 +110,7 @@
   RECORD_CLICK = 36;
   GET_BEST_VALUE = 37;
   RECORD_CONVERSION = 38;
+  RUN_MODEL_INFERENCE = 39;
+  APP_TO_WEB_CONVERSION = 40;
+  CUSTOMIZE_ERROR_CODE = 41;
 }
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