camera-vts: don't import gralloc buffer after allocating

Before moving to GraphicBufferAllocator, the test just allocated
the buffer. GraphicBufferAllocator allocates and imports the buffer.
Update the test to only allocate the buffer.

Bug: 145941038
Test: VtsHalCameraProviderV2_4TargetTest

Change-Id: Ib3801d06265836eec2875f13ae6f2ec070d7d353
diff --git a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
index 9416a54..dd4cdca 100644
--- a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
+++ b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
@@ -6309,7 +6309,7 @@
     buffer_handle_t buffer;
     uint32_t stride;
 
-    android::status_t err = android::GraphicBufferAllocator::get().allocate(
+    android::status_t err = android::GraphicBufferAllocator::get().allocateRawHandle(
             width, height, static_cast<int32_t>(format), 1u /*layerCount*/, usage, &buffer, &stride,
             "VtsHalCameraProviderV2_4");
     ASSERT_EQ(err, android::NO_ERROR);