[magma] Standardize on <lib/magma/magma.h> include

According to
https://fuchsia.dev/fuchsia-src/development/languages/c-cpp/naming?hl=en
library headers should be under lib/ and should be included using angle
brackets.

Bug: 124035
Change-Id: Ia9d5092e3adb8864fe16a9ab38fbeea919be278b
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/github.com/intel/libva/+/825176
Reviewed-by: Dustin Green <dustingreen@google.com>

va/magma/va_magma.c

diff --git a/va/magma/va_magma.c b/va/magma/va_magma.c
index d0154ee..dc60f40 100644
--- a/va/magma/va_magma.c
+++ b/va/magma/va_magma.c
@@ -22,7 +22,7 @@
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include "magma/magma.h"
+#include <lib/magma/magma.h>
 #include "sysdeps.h"
 #include "va_backend.h"
 #include "va_internal.h"

va/magma/va_magma.h

diff --git a/va/magma/va_magma.h b/va/magma/va_magma.h
index 7a984eb..a5f9363 100644
--- a/va/magma/va_magma.h
+++ b/va/magma/va_magma.h
@@ -26,7 +26,7 @@
 #define VA_MAGMA_H
 
 #include <va/va.h>
-#include <magma/magma.h>
+#include <lib/magma/magma.h>
 
 #ifdef __cplusplus
 extern "C" {