Update unit test make files to use BoringSSL

Merge from widevine of go://wvgerrit/14173

This CL updates the android makefiles to use the libcrypto_static.

Change-Id: I74567ff880ebdce366766a9ab44c92cc9540b8db

libwvdrmengine/test/unit/Android.mk

@@ -15,11 +15,11 @@ LOCAL_C_INCLUDES := \
   vendor/widevine/libwvdrmengine/oemcrypto/include \
 
 LOCAL_STATIC_LIBRARIES := \
+  libcrypto_static \
   libgtest \
   libgtest_main \
 
 LOCAL_SHARED_LIBRARIES := \
-  libcrypto \
   libdl \
   liblog \
   libutils \