Rename the Default* constants in java/config.

These values are used in two out of the many possible sdk_version
configurations, and therefore weren't really defaults in any
meaningful sense. Giving them more descriptive names makes the code
easier to follow.

Bug: 157640067
Test: m java
Change-Id: I67767b2be72ed3d8cc879280036850096eb65415
diff --git a/core/java.mk b/core/java.mk
index 9d42775..2f18ad9 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -393,7 +393,7 @@
 else
   # For platform build, we can't just raise to the "current" SDK,
   # that would break apps that use APIs removed from the current SDK.
-  my_proguard_sdk_raise := $(call java-lib-header-files,$(TARGET_DEFAULT_BOOTCLASSPATH_LIBRARIES) $(TARGET_DEFAULT_JAVA_LIBRARIES))
+  my_proguard_sdk_raise := $(call java-lib-header-files,$(LEGACY_CORE_PLATFORM_BOOTCLASSPATH_LIBRARIES) $(FRAMEWORK_LIBRARIES))
 endif
 ifdef BOARD_SYSTEMSDK_VERSIONS
 ifneq (,$(filter true,$(LOCAL_VENDOR_MODULE) $(LOCAL_ODM_MODULE) $(LOCAL_PROPRIETARY_MODULE)))