Move MediaDrmApiTest to its own folder.

Merged from http://go/wvgerrit/67523

This is in preparation for adding the Full Decryption Path Test
android application so it will reside under
vendor/widevine/libwvdrmengine/test/java.

Test: build and run MediaDrmAPITest.apk from the new directory

bug: 113594822
Change-Id: If4adb51ba7bb24a5e28e04956909c2d5a1af3c53

libwvdrmengine/test/java/MediaDrmApiTest/Android.mk

@@ -0,0 +1,22 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+
+LOCAL_PACKAGE_NAME := MediaDrmAPITest
+
+LOCAL_JAVA_LIBRARIES := org.apache.http.legacy
+
+LOCAL_DEX_PREOPT := false
+
+# When built, explicitly put it in the data/app partition.
+LOCAL_MODULE_PATH := $(TARGET_OUT_DATA_APPS)
+
+LOCAL_SDK_VERSION := current
+
+include $(BUILD_PACKAGE)
+
+# Use the following include to make our test apk.
+include $(call all-makefiles-under,$(LOCAL_PATH))