sdutil: Use new MountService api method names

Signed-off-by: San Mehat <san@google.com>
diff --git a/media/sdutils/sdutil.cpp b/media/sdutils/sdutil.cpp
index c77424f..a30e59c 100644
--- a/media/sdutils/sdutil.cpp
+++ b/media/sdutils/sdutil.cpp
@@ -86,7 +86,7 @@
 
 static int mount(const char* path) {
     String16 string(path);
-    gMountService->mountMedia(string);
+    gMountService->mountVolume(string);
     
     for (int i = 0; i < 60; i++) {
         if (isMounted(path)) {
@@ -137,7 +137,7 @@
 
 static int unmount(const char* path) {
     String16 string(path);
-    gMountService->unmountMedia(string);
+    gMountService->unmountVolume(string);
 
     for (int i = 0; i < 20; i++) {
         if (!isMounted(path)) {
@@ -155,7 +155,7 @@
 
     if (isMounted(path))
         return -EBUSY;
-    gMountService->formatMedia(string);
+    gMountService->formatVolume(string);
 
     return 0;
 }