libbt: fixup build errors when building the library under vndk.

Bug: 73344227
Signed-off-by: Pierre Couillaud <pierre@broadcom.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/upio.c b/src/upio.c
index d24d496..1a88e28 100644
--- a/src/upio.c
+++ b/src/upio.c
@@ -36,6 +36,9 @@
 #include "bt_vendor_brcm.h"
 #include "upio.h"
 #include "userial_vendor.h"
+#include <stdio.h>
+#include <unistd.h>
+#include <time.h>
 
 /******************************************************************************
 **  Constants & Macros