Remove hidl support.

Merged from http://go/wvgerrit/161857

Test: streaming(Netflix, Play Movies & TV)
Test: ./build_and_run_all_unit_tests.sh
Test: adb shell ps | grep drm
Test: metrics_dump
Test: hardware/interfaces/drm/aidl/vts$ atest VtsAidlHalDrmTargetTest

Bug: 259299992
Change-Id: I76bcc82bbfb3fc60987b66265a580946a16c341d

libwvdrmengine/oemcrypto/test/common.mk

@@ -1,14 +1,5 @@
 LOCAL_PATH:= $(call my-dir)
 
-WV_UNITTESTS_BUILD_TARGET?=
-ifeq ($(WV_UNITTESTS_BUILD_TARGET), hidl)
-HIDL_EXTENSION := _hidl
-LIB_BINDER := libhidlbase
-else
-HIDL_EXTENSION :=
-LIB_BINDER := libbinder_ndk
-endif
-
 ifeq ($(filter mips mips64, $(TARGET_ARCH)),)
 # Tests need to be compatible with devices that do not support gnu hash-style
 LOCAL_LDFLAGS+=-Wl,--hash-style=both
@@ -18,6 +9,7 @@ endif
 LOCAL_CFLAGS += -DTEST_OEMCRYPTO_V15
 
 LOCAL_SRC_FILES:= \
+  GEN_api_lock_file.c \
   oec_device_features.cpp \
   oec_decrypt_fallback_chain.cpp \
   oec_key_deriver.cpp \
@@ -50,7 +42,7 @@ LOCAL_STATIC_LIBRARIES := \
   libgtest_main \
   libwvlevel3 \
   libcdm_protos \
-  libcdm_utils$(HIDL_EXTENSION) \
+  libcdm_utils \
   libwv_kdo \
   libwv_odk \
 
@@ -58,7 +50,7 @@ LOCAL_SHARED_LIBRARIES := \
   libbase \
   libcrypto \
   libdl \
-  $(LIB_BINDER) \
+  libbinder_ndk \
   liblog \
   libmedia_omx \
   libprotobuf-cpp-lite \