libvndksupport: Do not lookup default namespace for sphal failure

Instead of looking up default namespace for the failure of loading
sphal libs, report failure. This is only for the devices that have
sphal namespace.

Bug: 38435840
Test: sailfish builds and boots
Test: libvndksupport-tests passes
Change-Id: Ibbff5f2d5d83f6482f98677a5492777db6416967
Merged-In: Ibbff5f2d5d83f6482f98677a5492777db6416967
(cherry picked from commit 17baed1012b6abd57e54caa902c0e28d9f0f087c)
diff --git a/libvndksupport/linker.c b/libvndksupport/linker.c
index 12aa3be..289f153 100644
--- a/libvndksupport/linker.c
+++ b/libvndksupport/linker.c
@@ -30,21 +30,17 @@
             .flags = ANDROID_DLEXT_USE_NAMESPACE, .library_namespace = sphal_namespace,
         };
         void* handle = android_dlopen_ext(name, flag, &dlextinfo);
-        if (handle) {
-            return handle;
-        } else {
-            ALOGW(
-                "Could not load %s from sphal namespace: %s. "
-                "Falling back to loading it from the current namespace,",
-                name, dlerror());
+        if (!handle) {
+            ALOGE("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.",
             name);
+        return dlopen(name, flag);
     }
-    return dlopen(name, flag);
 }
 
 int android_unload_sphal_library(void* handle) { return dlclose(handle); }