Support System.loadLibrary for libraries with transitive dependencies.

Also fix the FLAG_ERROR annoyance --- it's not helpful to cache failures.

Bug: 7896159
Bug: http://code.google.com/p/android/issues/detail?id=34416
Bug: http://code.google.com/p/android/issues/detail?id=22143
Change-Id: I60f235edb4ea4756e1f7ce56f7739f18e8a50789
diff --git a/libdl/libdl.c b/libdl/libdl.c
index e8b01be..378f521 100644
--- a/libdl/libdl.c
+++ b/libdl/libdl.c
@@ -24,6 +24,8 @@
 int dladdr(const void *addr, Dl_info *info) { return 0; }
 int dlclose(void *handle) { return 0; }
 
+void android_update_LD_LIBRARY_PATH(const char* ld_library_path) { }
+
 #if defined(__arm__)
 
 void *dl_unwind_find_exidx(void *pc, int *pcount) { return 0; }