Run ar in Deterministic mode.

Unfortunately no such flag was found for the host ar on Mac OS X.
https://code.google.com/p/android/issues/detail?id=60705

Change-Id: Ic2f75c871f0b5ae3cf20c1255458f7b921054d67
diff --git a/core/combo/select.mk b/core/combo/select.mk
index e485d00..7638bc4 100644
--- a/core/combo/select.mk
+++ b/core/combo/select.mk
@@ -49,7 +49,7 @@
 $(combo_target)GLOBAL_CFLAGS := -fno-exceptions -Wno-multichar
 $(combo_target)RELEASE_CFLAGS := -O2 -g -fno-strict-aliasing
 $(combo_target)GLOBAL_LDFLAGS :=
-$(combo_target)GLOBAL_ARFLAGS := crsP
+$(combo_target)GLOBAL_ARFLAGS := crsPD
 
 $(combo_target)EXECUTABLE_SUFFIX :=
 $(combo_target)SHLIB_SUFFIX := .so