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/AndroidManifest.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+      package="com.widevine.test"
+>
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+
+    <uses-sdk android:minSdkVersion="12" />
+    <application android:icon="@drawable/icon" android:label="@string/app_name" android:theme="@android:style/Theme.Holo.NoActionBar">
+        <uses-library android:name="org.apache.http.legacy" />
+
+        <activity android:name="MediaDrmAPITest"
+                  android:label="@string/app_name"
+                  android:screenOrientation="landscape">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>