Need sha1 for libbcc.

Change-Id: Id54a8addcc3b87cdbdfbe9b9dc22334cc5e8cda6
diff --git a/Android.mk b/Android.mk
index 0b66f11..36eb47b 100644
--- a/Android.mk
+++ b/Android.mk
@@ -20,7 +20,7 @@
 LLVM_ROOT_PATH := external/llvm
 
 USE_CACHE := true
-USE_LIBBCC_SHA1SUM := false
+USE_LIBBCC_SHA1SUM := true
 USE_RELOCATE := false
 
 USE_DISASSEMBLER := true