Activate Java SDK flag eval metrics system tests (#6706)

Co-authored-by: tyler.potter <tyler.potter@datadoghq.com>

Author: typotter

manifests/java.yml

@@ -3125,7 +3125,26 @@ manifest:
         "*": irrelevant
         spring-boot: v1.56.0
   tests/ffe/test_exposures.py::Test_FFE_EXP_5_Missing_Targeting_Key: bug (FFL-1729)
-  tests/ffe/test_flag_eval_metrics.py: missing_feature
+  tests/ffe/test_flag_eval_metrics.py: missing_feature (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Config_Exists_Flag_Missing::test_ffe_eval_config_exists_flag_missing: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Lowercase_Consistency::test_ffe_lowercase_error_type: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Lowercase_Consistency::test_ffe_lowercase_reason: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Metric_Basic::test_ffe_eval_metric_basic: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Metric_Count::test_ffe_eval_metric_count: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Metric_Different_Flags::test_ffe_eval_metric_different_flags: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Metric_Numeric_To_Integer::test_ffe_eval_metric_numeric_to_integer: bug (FFL-1972)
+  ? tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Metric_Parse_Error_Invalid_Regex::test_ffe_eval_metric_parse_error_invalid_regex
+  : bug (FFL-1972)
+  ? tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Metric_Parse_Error_Variant_Type_Mismatch::test_ffe_eval_metric_parse_error_variant_type_mismatch
+  : bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Metric_Type_Mismatch::test_ffe_eval_metric_type_mismatch: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Nested_Attributes_Ignored::test_ffe_eval_nested_attributes_ignored: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_No_Config_Loaded::test_ffe_eval_no_config_loaded: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Reason_Default::test_ffe_eval_reason_default: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Reason_Disabled::test_ffe_eval_reason_disabled: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Reason_Split::test_ffe_eval_reason_split: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Reason_Targeting::test_ffe_eval_reason_targeting: bug (FFL-1972)
+  tests/ffe/test_flag_eval_metrics.py::Test_FFE_Eval_Targeting_Key_Optional::test_ffe_eval_targeting_key_optional: bug (FFL-1972)
   tests/integration_frameworks/llm/anthropic/test_anthropic_llmobs.py::TestAnthropicLlmObsMessages::test_create_error: bug (MLOB-1234)
   tests/integration_frameworks/llm/openai/test_openai_apm.py: v1.61.0
   tests/integration_frameworks/llm/openai/test_openai_llmobs.py: v1.61.0

utils/build/docker/java/spring-boot/pom.xml

@@ -60,6 +60,16 @@
             <artifactId>opentelemetry-api</artifactId>
             <version>1.41.0</version>
         </dependency>
+        <dependency>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-sdk-metrics</artifactId>
+            <version>1.41.0</version>
+        </dependency>
+        <dependency>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-exporter-otlp</artifactId>
+            <version>1.41.0</version>
+        </dependency>
         <dependency>
             <groupId>io.opentracing</groupId>
             <artifactId>opentracing-api</artifactId>