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/level3/src/level3_file_system_android.cpp

@@ -3,7 +3,6 @@
 #include <errno.h>
 #include <stdio.h>
 #include <sys/stat.h>
-
 #include <cstring>
 #include <string>
 
@@ -34,7 +33,7 @@ OEMCrypto_Level3AndroidFileSystem::OEMCrypto_Level3AndroidFileSystem()
     base_path_[pos] = '\0';
     if (mkdir(base_path_.c_str(), 0775) != 0 && errno != EEXIST) {
       wvutil::Log(
-          "", "", 0, wvutil::CDM_LOG_ERROR,
+          "", "", 0, wvutil::LOG_ERROR,
           "Could not create base directories for Level3FileSystem, error: %s\n",
           strerror(errno));
     }