[NFC][libFuzzer] Try to fix test on Windows

Broken after D86247

Author: vitalybuka

compiler-rt/test/fuzzer/value-profile-load.test

@@ -1,3 +1,3 @@
 CHECK: AddressSanitizer: global-buffer-overflow
 RUN: %cpp_compiler %S/LoadTest.cpp -fsanitize-coverage=trace-gep -o %t-LoadTest
-RUN: not %run %t-LoadTest -seed=2 -use_cmp=0 -use_value_profile=1 -runs=10000000 2>&1 | FileCheck %s
+RUN: not %run %t-LoadTest -seed=2 -use_cmp=0 -use_value_profile=1 -runs=20000000 2>&1 | FileCheck %s