Configure R8 store-store-fence constructor inlining when enabled

This optimization will be enabled when RELEASE_R8_STORE_STORE_FENCE_CONSTRUCTOR_INLINING is enabled.

Bug:
Test: Existing
Change-Id: Ia1dc0600e51e396da518daa27cf9c73701095766
diff --git a/android/config.go b/android/config.go
index d78bbf7..fbf9504 100644
--- a/android/config.go
+++ b/android/config.go
@@ -2163,6 +2163,10 @@
 	return c.productVariables.GetBuildFlagBool("RELEASE_USE_TRANSITIVE_JARS_IN_CLASSPATH")
 }
 
+func (c *config) UseR8StoreStoreFenceConstructorInlining() bool {
+	return c.productVariables.GetBuildFlagBool("RELEASE_R8_STORE_STORE_FENCE_CONSTRUCTOR_INLINING")
+}
+
 func (c *config) UseDexV41() bool {
 	return c.productVariables.GetBuildFlagBool("RELEASE_USE_DEX_V41")
 }