libz is a superset of libunz, so we don't need both.

Change-Id: I082995c338feaf5d11288300768624cd51b027a4
diff --git a/Android.mk b/Android.mk
index 7e48e7f..036da9e 100644
--- a/Android.mk
+++ b/Android.mk
@@ -40,8 +40,8 @@
 else
   LOCAL_STATIC_LIBRARIES += $(TARGET_RECOVERY_UI_LIB)
 endif
-LOCAL_STATIC_LIBRARIES += libext4_utils libz
-LOCAL_STATIC_LIBRARIES += libminzip libunz libmtdutils libmincrypt libminadbd
+LOCAL_STATIC_LIBRARIES += libext4_utils
+LOCAL_STATIC_LIBRARIES += libminzip libz libmtdutils libmincrypt libminadbd
 LOCAL_STATIC_LIBRARIES += libminui libpixelflinger_static libpng libcutils
 LOCAL_STATIC_LIBRARIES += libstdc++ libc