Revert "Remove ftime from bionic LP64"

Breaking some build... will look in to it later.

This reverts commit 26d6799bbe170b0955f564974b584c1471efdca1.

Change-Id: I35fa770221be3a181bd37c6c3dce1bf37a69a4a1
diff --git a/libc/Android.mk b/libc/Android.mk
index 168850e..ee8981a 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -43,6 +43,7 @@
     bionic/err.c \
     bionic/ether_aton.c \
     bionic/ether_ntoa.c \
+    bionic/ftime.c \
     bionic/fts.c \
     bionic/getdtablesize.c \
     bionic/gethostname.c \