enable Java build for PDK build
- Highest LOCAL_SDK_VERSION forced for package build / java library build

Bug: 6352960
Change-Id: I4a26bf26a51b95fb97c8b2adc9d32a543832c708
diff --git a/core/pdk_config.mk b/core/pdk_config.mk
index 729a44a..c0f80fd 100644
--- a/core/pdk_config.mk
+++ b/core/pdk_config.mk
@@ -64,3 +64,11 @@
 ALL_PDK_FUSION_FILES := $(addprefix $(PRODUCT_OUT)/, $(_pdk_fusion_file_list))
 
 endif
+
+ifeq ($(TARGET_BUILD_PDK),true)
+
+# SDK used for Java build under PDK
+PDK_BUILD_SDK_VERSION := $(lastword $(TARGET_AVAILABLE_SDK_VERSIONS))
+$(info PDK Build uses SDK $(PDK_BUILD_SDK_VERSION))
+
+endif # BUILD_PDK