Revert "Use aidl interface for Widevine service."

This reverts commit 96a8ccd4a1.

Reason for revert:
Could break DeviceManifest/SingleManifestTest#ManifestAidlHalsServed

Bug: 200055138
Bug: 170964303
Bug: 217241995
Change-Id: I9c42df15defec428c9ef8c62439c63d4a603fee6

libwvdrmengine/mediadrm/Android.bp

@@ -57,48 +57,5 @@ cc_library_static {
     ],
 
     proprietary: true,
-}
-
-// Builds libwvdrmdrmplugin_aidl
-//
-cc_library_static {
-    name: "libwvdrmdrmplugin_aidl",
-
-    srcs: [
-        "aidl_src/WVDrmPlugin.cpp",
-        "aidl_src/WVGenericCryptoInterface.cpp",
-        "aidl_src/wv_metrics_adapter.cpp",
-    ],
-
-    include_dirs: [
-        "frameworks/av/include",
-        "frameworks/native/include",
-        "vendor/widevine/libwvdrmengine/cdm/core/include",
-        "vendor/widevine/libwvdrmengine/cdm/include",
-        "vendor/widevine/libwvdrmengine/cdm/metrics/include",
-        "vendor/widevine/libwvdrmengine/cdm/util/include",
-        "vendor/widevine/libwvdrmengine/aidl_include",
-        "vendor/widevine/libwvdrmengine/include",
-        "vendor/widevine/libwvdrmengine/mediadrm/aidl_include",
-        "vendor/widevine/libwvdrmengine/oemcrypto/include",
-    ],
-
-    header_libs: [
-        "libstagefright_headers",
-        "libstagefright_foundation_headers",
-        "libutils_headers",
-    ],
-
-    static_libs: ["libcdm_protos"],
-
-    shared_libs: [
-        "libbase",
-        "libbinder",
-        "libbinder_ndk",
-        "libcrypto",
-        "liblog",
-        "android.hardware.drm-V1-ndk",
-    ],
-
-    proprietary: true,
+
 }