Disable all texture tests for VDI

Latest llvm already includes the texture/surface rework, but appropriate runtime changes have not been submitted.

Disable all texture related tests until http://gerrit-git.amd.com/c/compute/ec/hip/+/342147 is submitted.

Change-Id: I359c2eac6becdd3ca5110f2140679bd29d8ae54b

hipamd/tests/src/texture/hipTextureRef2D.cpp

@@ -1,5 +1,5 @@
 /* HIT_START
- * BUILD: %t %s ../test_common.cpp
+ * BUILD: %t %s ../test_common.cpp EXCLUDE_HIP_PLATFORM vdi
  * TEST: %t
  * HIT_END
  */