Merge changes Ib9d1863c,I2a6eb327

* changes:
  SDK targets should inherit from core_64_bit.mk
  Fix issue in symlinking 64 bit executables.
diff --git a/core/executable_prefer_symlink.mk b/core/executable_prefer_symlink.mk
index 2f04d0d..fa49e40 100644
--- a/core/executable_prefer_symlink.mk
+++ b/core/executable_prefer_symlink.mk
@@ -10,9 +10,20 @@
 # check because 32 bit targets may not define TARGET_PREFER_32_BIT_APPS
 # et al. since those variables make no sense in that context.
 ifeq ($(TARGET_IS_64_BIT),true)
-ifneq ($(TARGET_PREFER_32_BIT_APPS),true)
+ifeq ($(TARGET_SUPPORTS_64_BIT_APPS)|$(TARGET_SUPPORTS_32_BIT_APPS),true|true)
+  # We support both 32 and 64 bit apps, so we will have to
+  # base our decision on whether the target prefers one or the
+  # other.
+  ifneq ($(TARGET_PREFER_32_BIT_APPS),true)
+    $(my_symlink): PRIVATE_SRC_BINARY_NAME := $(LOCAL_MODULE_STEM_32)
+  else
+    $(my_symlink): PRIVATE_SRC_BINARY_NAME := $(LOCAL_MODULE_STEM_64)
+  endif
+else ifeq ($(TARGET_SUPPORTS_64_BIT_APPS),true)
+  # We support only 64 bit apps.
   $(my_symlink): PRIVATE_SRC_BINARY_NAME := $(LOCAL_MODULE_STEM_64)
 else
+  # We support only 32 bit apps.
   $(my_symlink): PRIVATE_SRC_BINARY_NAME := $(LOCAL_MODULE_STEM_32)
 endif
 else
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