Support provisioning 3.0

[ Merge of http://go/wvgerrit/29004 ]

Enable support for provisioning with OEM certificates as root of
trust.

b/62972441

Test: WV unit/intgration test, cdm_feature_test and GTSMediaTestCases

Change-Id: I30576fc0bb68a873eeaaca03f6b9c89fa6a14327

libwvdrmengine/cdm/test/Android.mk

@@ -11,6 +11,10 @@ test_name := buffer_reader_test
 test_src_dir := ../core/test
 include $(LOCAL_PATH)/unit-test.mk
 
+test_name := cdm_feature_test
+test_src_dir := .
+include $(LOCAL_PATH)/unit-test.mk
+
 test_name := cdm_engine_test
 test_src_dir := ../core/test
 include $(LOCAL_PATH)/unit-test.mk