Add missing unit tests to device tests.zip package

Need to add missing unit tests to the test package so that
they will be available to the tradefed-based ATP test platform.

Test: lunch sailfish-userdebug, make
      check out/.../tests.zip package for missing files.

Bug: 74028858
Change-Id: I009751ea8fe7aed48bcdd92ac9bcc050e48ce666

tests/Android.mk

@@ -11,6 +11,7 @@ WIDEVINE_TEST_MAKE_TARGETS := \
     buffer_reader_test \
     cdm_engine_test \
     cdm_extended_duration_test \
+    cdm_feature_test \
     cdm_session_unittest \
     counter_metric_unittest \
     crypto_session_unittest \
@@ -37,6 +38,7 @@ WIDEVINE_TEST_MAKE_TARGETS := \
     timer_unittest \
     usage_table_header_unittest \
     value_metric_unittest \
+    wv_cdm_metrics_test \
     CastSignAPITest \
     MediaDrmAPITest \