Add a new PRODUCT variable for forcing 'speed' preopt.

bug: 35872915
Test: build
Change-Id: Idfea3c379a2b1dab30ee94a58ffe86d508f8522f
diff --git a/core/dex_preopt.mk b/core/dex_preopt.mk
index f940c72..0606c83 100644
--- a/core/dex_preopt.mk
+++ b/core/dex_preopt.mk
@@ -24,7 +24,7 @@
 SYSTEM_OTHER_ODEX_FILTER ?= app/% priv-app/%
 
 # Method returning whether the install path $(1) should be for system_other.
-install-on-system-other = $(filter-out $(PRODUCT_SYSTEM_SERVER_APPS),$(basename $(notdir $(filter $(foreach f,$(SYSTEM_OTHER_ODEX_FILTER),$(TARGET_OUT)/$(f)),$(1)))))
+install-on-system-other = $(filter-out $(PRODUCT_DEXPREOPT_SPEED_APPS) $(PRODUCT_SYSTEM_SERVER_APPS),$(basename $(notdir $(filter $(foreach f,$(SYSTEM_OTHER_ODEX_FILTER),$(TARGET_OUT)/$(f)),$(1)))))
 
 # The default values for pre-opting: always preopt PIC.
 # Conditional to building on linux, as dex2oat currently does not work on darwin.