layers: Accept a wider range of utf8 characters as valid

And keep from flagging the CTS tests as invalid

Change-Id: I46a3b1741ec2549b29fe72c1b0098593b2484490
diff --git a/layers/vk_layer_utils.cpp b/layers/vk_layer_utils.cpp
index a1ddd22..21c6cd1 100644
--- a/layers/vk_layer_utils.cpp
+++ b/layers/vk_layer_utils.cpp
@@ -585,7 +585,7 @@
     for (i = 0; i < max_length; i++) {
         if (utf8[i] == 0) {
             break;
-        } else if ((utf8[i] >= 0x20) && (utf8[i] < 0x7f)) {
+        } else if ((utf8[i] >= 0xa) && (utf8[i] < 0x7f)) {
             num_char_bytes = 0;
         } else if ((utf8[i] & UTF8_ONE_BYTE_MASK) == UTF8_ONE_BYTE_CODE) {
             num_char_bytes = 1;