Do not DL_WARN when failed to find generated linker config

DL_WARN message when failed to find generated linker config makes some
of the ART tests fail. Lowering log level as ART test does not have
linkerconfig generated for the test.

Bug: 146386369
Test: Cuttlefish boot succeeded without any error
Test: run_build_test_target.py art-linux-bionic-x64-zipapex passed
Change-Id: I4f876c3ac5c30d32d51346d4cd16b5205da8f1bf
diff --git a/linker/linker.cpp b/linker/linker.cpp
index a3bd964..fb22a1d 100644
--- a/linker/linker.cpp
+++ b/linker/linker.cpp
@@ -4093,8 +4093,9 @@
     if (file_exists(kLdGeneratedConfigFilePath)) {
       return kLdGeneratedConfigFilePath;
     } else {
-      DL_WARN("Warning: failed to find generated linker configuration from \"%s\"",
-              kLdGeneratedConfigFilePath);
+      // TODO(b/146386369) : Adjust log level and add more condition to log only when necessary
+      INFO("Warning: failed to find generated linker configuration from \"%s\"",
+           kLdGeneratedConfigFilePath);
     }
   }