camera.provider default: Don't stop init if vendor tags are bad.

And definitely don't stop init if there are no vendor tags defined at
all.

Instead, just log about it.

Test: gce camera HAL init succeeds; no regression to sailfish camera
Bug: 35036220
Change-Id: I7f4481d7ec1a88df0c67a66c364f351b3321b221
diff --git a/camera/provider/2.4/default/CameraProvider.cpp b/camera/provider/2.4/default/CameraProvider.cpp
index f1a66a8..f3ba201 100644
--- a/camera/provider/2.4/default/CameraProvider.cpp
+++ b/camera/provider/2.4/default/CameraProvider.cpp
@@ -234,8 +234,10 @@
 
     // Setup vendor tags here so HAL can setup vendor keys in camera characteristics
     VendorTagDescriptor::clearGlobalVendorTagDescriptor();
-    bool setupSucceed = setUpVendorTags();
-    return !setupSucceed; // return flag here is mInitFailed
+    if (!setUpVendorTags()) {
+        ALOGE("%s: Vendor tag setup failed, will not be available.", __FUNCTION__);
+    }
+    return false; // mInitFailed
 }
 
 bool CameraProvider::setUpVendorTags() {
@@ -245,7 +247,7 @@
     // Check if vendor operations have been implemented
     if (!mModule->isVendorTagDefined()) {
         ALOGI("%s: No vendor tags defined for this device.", __FUNCTION__);
-        return false;
+        return true;
     }
 
     mModule->getVendorTagOps(&vOps);