Add PRODUCT_DEX_PREOPT_RESOLVE_STARTUP_STRINGS

For enabling per product configuration of resolving startup
const strings.

Bug: 130217075
Bug: 131310042
Test: make

(cherry picked from commit b37c79c3a2512fe036f351df179af999d15a8afb)

Merged-In: I51cb8931b915a710ab584f954b7a99c7a651d914
Change-Id: I0ecc7823620bca9f252b3d91b82982db91dd248d
diff --git a/core/product.mk b/core/product.mk
index 192d58c..f3c9a98 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -240,6 +240,7 @@
 _product_var_list += PRODUCT_DEX_PREOPT_PROFILE_DIR
 _product_var_list += PRODUCT_DEX_PREOPT_GENERATE_DM_FILES
 _product_var_list += PRODUCT_DEX_PREOPT_NEVER_ALLOW_STRIPPING
+_product_var_list += PRODUCT_DEX_PREOPT_RESOLVE_STARTUP_STRINGS
 
 # Boot image options.
 _product_var_list += \