libvndksupport: Change log level and message.

If no 'sphal' namespace exist, the sphal library may be found in
current namespace.
Change the log level and message to note this.

Bug: 64162324
Test: Check log message for vndksupport tag.
Change-Id: I5ed6ba1e48f99e7d11d80a465177ac9f3a7fbd97
diff --git a/libvndksupport/linker.c b/libvndksupport/linker.c
index 696e978..703b593 100644
--- a/libvndksupport/linker.c
+++ b/libvndksupport/linker.c
@@ -32,14 +32,13 @@
         void* handle = android_dlopen_ext(name, flag, &dlextinfo);
         if (!handle) {
             ALOGE(
-                "Could not load %s from sphal namespace: %s. ",
+                "Could not load %s from sphal namespace: %s.",
                 name, dlerror());
         }
         return handle;
     } else {
-        ALOGI(
-            "sphal namespace is not configured for this process. "
-            "Loading %s from the current namespace instead.",
+        ALOGD(
+            "Loading %s from current namespace instead of sphal namespace.",
             name);
         return dlopen(name, flag);
     }