Widevine Metrics System

This change is the complete Widevine metrics system. It will
measure and record runtime information about what is happening
in the CDM - such as errors and throughput.

Bug: 33745339
Bug: 26027857
Change-Id: Ic9a82074f1e2b72c72d751b235f8ae361232787d

libwvdrmengine/cdm/test/unit-test.mk

@@ -22,6 +22,7 @@ LOCAL_C_INCLUDES := \
     vendor/widevine/libwvdrmengine/cdm/core/include \
     vendor/widevine/libwvdrmengine/cdm/core/test \
     vendor/widevine/libwvdrmengine/cdm/include \
+    vendor/widevine/libwvdrmengine/cdm/metrics/include \
     vendor/widevine/libwvdrmengine/oemcrypto/include \
 
 LOCAL_C_INCLUDES += external/protobuf/src
@@ -41,12 +42,15 @@ LOCAL_SHARED_LIBRARIES := \
     libcutils \
     libdl \
     liblog \
+    libmedia \
     libprotobuf-cpp-lite \
     libssl \
+    libstagefright_foundation \
     libutils \
 
 LOCAL_CFLAGS += -DUNIT_TEST
 
+
 LOCAL_MODULE_TARGET_ARCH := arm x86 mips
 
 include $(BUILD_EXECUTABLE)