diff --git a/target/product/sdk_phone_arm64.mk b/target/product/sdk_phone_arm64.mk
index c6b290f..56eb8c7 100644
--- a/target/product/sdk_phone_arm64.mk
+++ b/target/product/sdk_phone_arm64.mk
@@ -14,11 +14,31 @@
 # limitations under the License.
 #
 
-$(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_arm64.mk)
+PRODUCT_PROPERTY_OVERRIDES += \
+	rild.libpath=/vendor/lib64/libreference-ril.so
 
-# Define the host tools and libs that are parts of the SDK.
-$(call inherit-product, sdk/build/product_sdk.mk)
-$(call inherit-product, development/build/product_sdk.mk)
+# This is a build configuration for a full-featured build of the
+# Open-Source part of the tree. It's geared toward a US-centric
+# build quite specifically for the emulator, and might not be
+# entirely appropriate to inherit from for on-device configurations.
+
+# Note: the following lines need to stay at the beginning so that it can
+# take priority  and override the rules it inherit from other mk files
+# see copy file rules in core/Makefile
+PRODUCT_COPY_FILES += \
+    development/sys-img/advancedFeatures.ini.arm:advancedFeatures.ini \
+    prebuilts/qemu-kernel/arm64/3.18/kernel-qemu2:kernel-ranchu \
+    device/generic/goldfish/fstab.ranchu.arm:$(TARGET_COPY_OUT_VENDOR)/etc/fstab.ranchu
+
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/board/generic_arm64/device.mk)
+
+# AOSP emulator images build the AOSP messaging app.
+# Google API images override with the Google API app.
+# See vendor/google/products/sdk_google_phone_*.mk
+PRODUCT_PACKAGES += \
+    messaging
 
 # Overrides
 PRODUCT_BRAND := Android
diff --git a/target/product/sdk_phone_armv7.mk b/target/product/sdk_phone_armv7.mk
index f2b51cf..73c42c3 100644
--- a/target/product/sdk_phone_armv7.mk
+++ b/target/product/sdk_phone_armv7.mk
@@ -14,12 +14,24 @@
 # limitations under the License.
 #
 
-$(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_arm.mk)
+PRODUCT_PROPERTY_OVERRIDES += \
+	rild.libpath=/vendor/lib/libreference-ril.so
 
-# Define the host tools and libs that are parts of the SDK.
-$(call inherit-product, sdk/build/product_sdk.mk)
-$(call inherit-product, development/build/product_sdk.mk)
+# Note: the following lines need to stay at the beginning so that it can
+# take priority  and override the rules it inherit from other mk files
+# see copy file rules in core/Makefile
+PRODUCT_COPY_FILES += \
+    development/sys-img/advancedFeatures.ini.arm:advancedFeatures.ini \
+    prebuilts/qemu-kernel/arm64/3.18/kernel-qemu2:kernel-ranchu-64 \
+    device/generic/goldfish/fstab.ranchu.arm:$(TARGET_COPY_OUT_VENDOR)/etc/fstab.ranchu
 
+$(call inherit-product, $(SRC_TARGET_DIR)/product/sdk_base.mk)
+
+# AOSP emulator images build the AOSP messaging app.
+# Google API images override with the Google API app.
+# See vendor/google/products/sdk_google_phone_*.mk
+PRODUCT_PACKAGES += \
+    messaging
 
 # Overrides
 PRODUCT_BRAND := Android