Build: Add first-boot dexopt settings defaults

Needed for factory-reset/first-boot/upgrade to N.

Bug: 27689078
Change-Id: I010e38c8a10445f87e95e1ff8d9daf1d051f2b06
diff --git a/target/product/core_minimal.mk b/target/product/core_minimal.mk
index 4a413cd..6fdc5c3 100644
--- a/target/product/core_minimal.mk
+++ b/target/product/core_minimal.mk
@@ -119,6 +119,7 @@
 
 # Different dexopt types for different package update/install times.
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
+    pm.dexopt.first-boot=interpret-only \
     pm.dexopt.boot=verify-profile \
     pm.dexopt.install=interpret-only \
     pm.dexopt.bg-dexopt=speed-profile \
diff --git a/target/product/core_tiny.mk b/target/product/core_tiny.mk
index 0d30a22..76281f9 100644
--- a/target/product/core_tiny.mk
+++ b/target/product/core_tiny.mk
@@ -109,6 +109,7 @@
 
 # Different dexopt types for different package update/install times.
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
+    pm.dexopt.first-boot=interpret-only \
     pm.dexopt.boot=verify-profile \
     pm.dexopt.install=interpret-only \
     pm.dexopt.bg-dexopt=speed-profile \