SDK targets should inherit from core_64_bit.mk

bug: 15661143

(cherry picked from commit e78ba32d23dd3a1f3df1b861b1b17fced45801b0)

Change-Id: Icf9d0a7d429f848ca6163a8658c6e5f208fdd039
diff --git a/target/product/sdk_arm64.mk b/target/product/sdk_arm64.mk
index 582a779..6b177e8 100644
--- a/target/product/sdk_arm64.mk
+++ b/target/product/sdk_arm64.mk
@@ -20,6 +20,7 @@
 # entirely appropriate to inherit from for on-device configurations.
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/sdk.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
 
 # Overrides
 PRODUCT_BRAND := generic_arm64
diff --git a/target/product/sdk_mips64.mk b/target/product/sdk_mips64.mk
index c00de06..d5ab824 100644
--- a/target/product/sdk_mips64.mk
+++ b/target/product/sdk_mips64.mk
@@ -20,6 +20,7 @@
 # entirely appropriate to inherit from for on-device configurations.
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/sdk.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
 
 # Overrides
 PRODUCT_BRAND := generic_mips64
diff --git a/target/product/sdk_x86_64.mk b/target/product/sdk_x86_64.mk
index 3816cf9..d50d1c4 100644
--- a/target/product/sdk_x86_64.mk
+++ b/target/product/sdk_x86_64.mk
@@ -20,6 +20,7 @@
 # entirely appropriate to inherit from for on-device configurations.
 
 $(call inherit-product, $(SRC_TARGET_DIR)/product/sdk.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
 
 # Overrides
 PRODUCT_BRAND := generic_x86_64