Add Max-Res Decode Engine to CDM Core

(This is a port of http://go/wvgerrit/11555 from the Widevine CDM
repo.)

Bug: 16034599
Change-Id: Ie69afac7d89e27623adbc84d2baebccf1d1ba6e6

libwvdrmengine/cdm/Android.mk

@@ -30,6 +30,7 @@ LOCAL_SRC_FILES := \
     $(CORE_SRC_DIR)/device_files.cpp \
     $(CORE_SRC_DIR)/initialization_data.cpp \
     $(CORE_SRC_DIR)/license.cpp \
+    $(CORE_SRC_DIR)/max_res_engine.cpp \
     $(CORE_SRC_DIR)/oemcrypto_adapter_dynamic.cpp \
     $(CORE_SRC_DIR)/policy_engine.cpp \
     $(CORE_SRC_DIR)/privacy_crypto.cpp \