diff --git a/media/mtp/PosixAsyncIO.cpp b/media/mtp/PosixAsyncIO.cpp
index 72c07cc..8205e3b 100644
--- a/media/mtp/PosixAsyncIO.cpp
+++ b/media/mtp/PosixAsyncIO.cpp
@@ -47,10 +47,10 @@
         CHECK(aiocbp->queued);
         int ret;
         if (aiocbp->read) {
-            ret = TEMP_FAILURE_RETRY(pread(aiocbp->aio_fildes,
+            ret = TEMP_FAILURE_RETRY(pread64(aiocbp->aio_fildes,
                     aiocbp->aio_buf, aiocbp->aio_nbytes, aiocbp->aio_offset));
         } else {
-            ret = TEMP_FAILURE_RETRY(pwrite(aiocbp->aio_fildes,
+            ret = TEMP_FAILURE_RETRY(pwrite64(aiocbp->aio_fildes,
                aiocbp->aio_buf, aiocbp->aio_nbytes, aiocbp->aio_offset));
         }
         {
@@ -139,7 +139,7 @@
     return 0;
 }
 
-void aio_prepare(struct aiocb *aiocbp, void* buf, size_t count, off_t offset) {
+void aio_prepare(struct aiocb *aiocbp, void* buf, size_t count, off64_t offset) {
     aiocbp->aio_buf = buf;
     aiocbp->aio_offset = offset;
     aiocbp->aio_nbytes = count;
diff --git a/media/mtp/PosixAsyncIO.h b/media/mtp/PosixAsyncIO.h
index 2bb5735..2bcae4c 100644
--- a/media/mtp/PosixAsyncIO.h
+++ b/media/mtp/PosixAsyncIO.h
@@ -32,7 +32,7 @@
     int aio_fildes;
     void *aio_buf;
 
-    off_t aio_offset;
+    off64_t aio_offset;
     size_t aio_nbytes;
 
     // Used internally
@@ -61,7 +61,7 @@
 ssize_t aio_return(struct aiocb *);
 
 // Helper method for setting aiocb members
-void aio_prepare(struct aiocb *, void*, size_t, off_t);
+void aio_prepare(struct aiocb *, void*, size_t, off64_t);
 
 #endif // POSIXASYNCIO_H
 
diff --git a/tools/resampler_tools/Android.bp b/tools/resampler_tools/Android.bp
new file mode 100644
index 0000000..7549359
--- /dev/null
+++ b/tools/resampler_tools/Android.bp
@@ -0,0 +1,15 @@
+// Copyright 2005 The Android Open Source Project
+//
+// Android.mk for resampler_tools
+//
+
+cc_binary_host {
+    name: "fir",
+
+    srcs: ["fir.cpp"],
+
+    cflags: [
+        "-Werror",
+        "-Wall",
+    ],
+}
diff --git a/tools/resampler_tools/Android.mk b/tools/resampler_tools/Android.mk
deleted file mode 100644
index bba5199..0000000
--- a/tools/resampler_tools/Android.mk
+++ /dev/null
@@ -1,17 +0,0 @@
-# Copyright 2005 The Android Open Source Project
-#
-# Android.mk for resampler_tools
-#
-
-
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := \
-	fir.cpp
-
-LOCAL_MODULE := fir
-
-LOCAL_CFLAGS := -Werror -Wall
-
-include $(BUILD_HOST_EXECUTABLE)