Plumb new frameRateSelectionStrategy value

This new value will allow a parent layer to override the frame
rate specifications of all its descendants. This CL only plumbs the
value from Transaction to Layer.

Bug: 297418260
Test: atest CtsSurfaceControlTestsStaging
Test: atest libsurfaceflinger_unittest
Change-Id: Ibbda6ff6c143e931240178d89306822b4cce9669
diff --git a/services/surfaceflinger/tests/unittests/LayerHierarchyTest.h b/services/surfaceflinger/tests/unittests/LayerHierarchyTest.h
index ff644ba..32821b7 100644
--- a/services/surfaceflinger/tests/unittests/LayerHierarchyTest.h
+++ b/services/surfaceflinger/tests/unittests/LayerHierarchyTest.h
@@ -346,6 +346,18 @@
         mLifecycleManager.applyTransactions(transactions);
     }
 
+    void setFrameRateSelectionStrategy(uint32_t id, int8_t strategy) {
+        std::vector<TransactionState> transactions;
+        transactions.emplace_back();
+        transactions.back().states.push_back({});
+
+        transactions.back().states.front().state.what =
+                layer_state_t::eFrameRateSelectionStrategyChanged;
+        transactions.back().states.front().layerId = id;
+        transactions.back().states.front().state.frameRateSelectionStrategy = strategy;
+        mLifecycleManager.applyTransactions(transactions);
+    }
+
     void setRoundedCorners(uint32_t id, float radius) {
         std::vector<TransactionState> transactions;
         transactions.emplace_back();