Set the default app sdk verstion to LOCAL_SDK_VERSION

Instead of using the DEFAULT_APP_TARGET_SDK, which is the hardcoded in
the build system, ie the sdk version of the current source tree.

Change-Id: I2fae3521300cc6b2449df3659ded7f7a397609c0
diff --git a/core/definitions.mk b/core/definitions.mk
index 4b7b9a5..3519615 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1335,8 +1335,8 @@
     $(addprefix -A , $(PRIVATE_ASSET_DIR)) \
     $(addprefix -I , $(PRIVATE_AAPT_INCLUDES)) \
     $(addprefix -G , $(PRIVATE_PROGUARD_OPTIONS_FILE)) \
-    $(addprefix --min-sdk-version , $(DEFAULT_APP_TARGET_SDK)) \
-    $(addprefix --target-sdk-version , $(DEFAULT_APP_TARGET_SDK)) \
+    $(addprefix --min-sdk-version , $(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
+    $(addprefix --target-sdk-version , $(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
     $(if $(filter --version-code,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --version-code , $(PLATFORM_SDK_VERSION))) \
     $(if $(filter --version-name,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --version-name , $(PLATFORM_VERSION)-$(BUILD_NUMBER))) \
     $(addprefix --rename-manifest-package , $(PRIVATE_MANIFEST_PACKAGE_NAME)) \
@@ -1551,8 +1551,8 @@
     $(addprefix -S , $(PRIVATE_RESOURCE_DIR)) \
     $(addprefix -A , $(PRIVATE_ASSET_DIR)) \
     $(addprefix -I , $(PRIVATE_AAPT_INCLUDES)) \
-    $(addprefix --min-sdk-version , $(DEFAULT_APP_TARGET_SDK)) \
-    $(addprefix --target-sdk-version , $(DEFAULT_APP_TARGET_SDK)) \
+    $(addprefix --min-sdk-version , $(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
+    $(addprefix --target-sdk-version , $(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
     $(addprefix --product , $(TARGET_AAPT_CHARACTERISTICS)) \
     $(if $(filter --version-code,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --version-code , $(PLATFORM_SDK_VERSION))) \
     $(if $(filter --version-name,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --version-name , $(PLATFORM_VERSION)-$(BUILD_NUMBER))) \