Updated glow and reduced RandomVRAM test overhead

glow @ e0c7ff96

-Subproject commit e9b5dd26da3a005ec6ddcfdbfc07fdaed39b1271
+Subproject commit e0c7ff9651f4e79b70576617a0ddd7c8dfc1edb3

src/complex/RandomVRAM.cc

@@ -44,8 +44,8 @@ GLOW_TEST(RandomVRAM, ComputeSSBO_LocalSize)
     auto srcSerial = util::readall(fileSerial);
 
     const int reps = 10;
-    const int maxLocalSize = 64;
-    const int localSizeInc = 2;
+    const int maxLocalSize = extensiveTest ? 64 : 32;
+    const int localSizeInc = extensiveTest ? 2 : 4;
     const int maxVramMB = extensiveTest ? 256 : 32;
     const int vramInc = 16;