8200365: TestOptionsWithRanges.java of '-XX:TLABWasteTargetPercent=100' fails intermittently

For initial TLAB sizing, increase the number of expected refills to 2.

Reviewed-by: phh, sangheki

src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp

@@ -226,7 +226,9 @@ void ThreadLocalAllocBuffer::startup_initialization() {
   // Assuming each thread's active tlab is, on average,
   // 1/2 full at a GC
   _target_refills = 100 / (2 * TLABWasteTargetPercent);
-  _target_refills = MAX2(_target_refills, (unsigned)1U);
+  // We need to set initial target refills to 2 to avoid a GC which causes VM
+  // abort during VM initialization.
+  _target_refills = MAX2(_target_refills, 2U);
 
   _global_stats = new GlobalTLABStats();