Revert "Revert "Camera: Load initial session params speculatively""

This reverts commit e62ccda6c138e11649500b0125c6bd1e78488729.

Bug: 80227606
Test: Manual using application,
Camera CTS
Change-Id: Ie726fe8b36eadfa971d9932e7a4a3116a34e694a
diff --git a/services/camera/libcameraservice/device3/Camera3Device.h b/services/camera/libcameraservice/device3/Camera3Device.h
index 5372407..35f799d 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.h
+++ b/services/camera/libcameraservice/device3/Camera3Device.h
@@ -1191,6 +1191,9 @@
 
     metadata_vendor_id_t mVendorTagId;
 
+    // Cached last requested template id
+    int mLastTemplateId;
+
     /**
      * Static callback forwarding methods from HAL to instance
      */