Update the sample code with API change

Reflect the change in
https://github.com/google/iree/commit/e67c660ac6573745580ebfcaea6ff97d5390829b

Change-Id: I192bb11073604873d4f99f1040ae3006bab8f286

samples/simple_vec_mul/float_vec.c

diff --git a/samples/simple_vec_mul/float_vec.c b/samples/simple_vec_mul/float_vec.c
index eaa41e1..52520e8 100644
--- a/samples/simple_vec_mul/float_vec.c
+++ b/samples/simple_vec_mul/float_vec.c
@@ -48,16 +48,17 @@
 
   result = iree_hal_buffer_view_wrap_or_clone_heap_buffer(
       iree_hal_device_allocator(device), shape, IREE_ARRAYSIZE(shape),
-      IREE_HAL_ELEMENT_TYPE_FLOAT_32, input_memory_type,
-      IREE_HAL_MEMORY_ACCESS_READ, IREE_HAL_BUFFER_USAGE_ALL,
+      IREE_HAL_ELEMENT_TYPE_FLOAT_32, IREE_HAL_ENCODING_TYPE_DENSE_ROW_MAJOR,
+      input_memory_type, IREE_HAL_MEMORY_ACCESS_READ, IREE_HAL_BUFFER_USAGE_ALL,
       iree_make_byte_span(*arg0_buffer, sizeof(int32_t) * buffer_length),
       iree_allocator_null(), arg0_buffer_view);
 
   if (iree_status_is_ok(result)) {
     result = iree_hal_buffer_view_wrap_or_clone_heap_buffer(
         iree_hal_device_allocator(device), shape, IREE_ARRAYSIZE(shape),
-        IREE_HAL_ELEMENT_TYPE_FLOAT_32, input_memory_type,
-        IREE_HAL_MEMORY_ACCESS_READ, IREE_HAL_BUFFER_USAGE_ALL,
+        IREE_HAL_ELEMENT_TYPE_FLOAT_32, IREE_HAL_ENCODING_TYPE_DENSE_ROW_MAJOR,
+        input_memory_type, IREE_HAL_MEMORY_ACCESS_READ,
+        IREE_HAL_BUFFER_USAGE_ALL,
         iree_make_byte_span(*arg1_buffer, sizeof(int32_t) * buffer_length),
         iree_allocator_null(), arg1_buffer_view);
   }

samples/simple_vec_mul/int_vec.c

diff --git a/samples/simple_vec_mul/int_vec.c b/samples/simple_vec_mul/int_vec.c
index 946aa63..752a1c3 100644
--- a/samples/simple_vec_mul/int_vec.c
+++ b/samples/simple_vec_mul/int_vec.c
@@ -48,16 +48,17 @@
 
   result = iree_hal_buffer_view_wrap_or_clone_heap_buffer(
       iree_hal_device_allocator(device), shape, IREE_ARRAYSIZE(shape),
-      IREE_HAL_ELEMENT_TYPE_SINT_32, input_memory_type,
-      IREE_HAL_MEMORY_ACCESS_READ, IREE_HAL_BUFFER_USAGE_ALL,
+      IREE_HAL_ELEMENT_TYPE_SINT_32, IREE_HAL_ENCODING_TYPE_DENSE_ROW_MAJOR,
+      input_memory_type, IREE_HAL_MEMORY_ACCESS_READ, IREE_HAL_BUFFER_USAGE_ALL,
       iree_make_byte_span(*arg0_buffer, sizeof(int32_t) * buffer_length),
       iree_allocator_null(), arg0_buffer_view);
 
   if (iree_status_is_ok(result)) {
     result = iree_hal_buffer_view_wrap_or_clone_heap_buffer(
         iree_hal_device_allocator(device), shape, IREE_ARRAYSIZE(shape),
-        IREE_HAL_ELEMENT_TYPE_SINT_32, input_memory_type,
-        IREE_HAL_MEMORY_ACCESS_READ, IREE_HAL_BUFFER_USAGE_ALL,
+        IREE_HAL_ELEMENT_TYPE_SINT_32, IREE_HAL_ENCODING_TYPE_DENSE_ROW_MAJOR,
+        input_memory_type, IREE_HAL_MEMORY_ACCESS_READ,
+        IREE_HAL_BUFFER_USAGE_ALL,
         iree_make_byte_span(*arg1_buffer, sizeof(int32_t) * buffer_length),
         iree_allocator_null(), arg1_buffer_view);
   }