Revert of Repurpose Release_Developer BUILDTYPE and remove SK_DEVELOPER.

src/core/SkResourceCache.cpp

Index: src/core/SkResourceCache.cpp
diff --git a/src/core/SkResourceCache.cpp b/src/core/SkResourceCache.cpp
index bacb8158aa683b628f2054f578eaab3256e40c5a..fa3cb9dbe0bca11e3ab983f6f6a949bcaa2a1d28 100644
--- a/src/core/SkResourceCache.cpp
+++ b/src/core/SkResourceCache.cpp
@@ -549,7 +549,7 @@
     // Chrome seems to have funky multi-process things going on in unit tests that
     // makes this unsafe to delete when the main process atexit()s.
     // SkLazyPtr does the same sort of thing.
-#if SK_DEBUG
+#if SK_DEVELOPER
     delete gResourceCache;
 #endif
 }