RenderEngine, SF: gate HDR priming behind property

This should make it so that devices which do not see any benefit from
priming those shaders can avoid computing them at boot time.

Bug: b/295257834
Test: manual - delta of -37 shaders generated before/after this patch
Test: atest librenderengine_test
Change-Id: I01962b690d636def86c1ebed40187eaf74ab0246
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index 6023808..11d4fde 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -3204,7 +3204,7 @@
     }
     initializeRenderEngine();
 
-    auto fut = mRE->primeCache();
+    auto fut = mRE->primeCache(false);
     if (fut.valid()) {
         fut.wait();
     }