sanders: Pre-opt SystemUI

SystemUI is getting deoptimized, possibly resulting in jank
(not yet validated); pre-optimize to avoid deoptimization for now.
Bug: 62832717
Bug: 35872915
Test: boot, check for vdex, run for a bit

Change-Id: Ia754db444eebaebf0ff2389ab66f6f1d486da994

BoardConfig.mk

@@ -50,6 +50,11 @@ TARGET_USES_64_BIT_BINDER := true
 # Asserts
 TARGET_OTA_ASSERT_DEVICE := sanders,sanders_retail
 
+# Enable dexpreopt to speed boot time
+WITH_DEXPREOPT_BOOT_IMG_AND_SYSTEM_SERVER_ONLY := true
+WITH_DEXPREOPT := true
+PRODUCT_DEXPREOPT_SPEED_APPS += SystemUI
+
 # GPS
 TARGET_NO_RPC := true
 USE_DEVICE_SPECIFIC_GPS := true
@@ -149,9 +154,6 @@ BOARD_NO_CHARGER_LED := true
 # Crypto
 TARGET_HW_DISK_ENCRYPTION := true
 
-# Enable dexpreopt to speed boot time
-WITH_DEXPREOPT := true
-
 # Display
 BOARD_USES_ADRENO := true
 OVERRIDE_RS_DRIVER := libRSDriver_adreno.so