Disable NativeLibraryPrefetcherTest.TestPercentageOfResidentCode

TBR=gayane@chromium.org
NOTRY=true

Bug: 971326
Change-Id: Icb560851c066e8671d3f509c088855ad282423ac
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1645207Reviewed-by: Xida Chen <xidachen@chromium.org>
Commit-Queue: Xida Chen <xidachen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#666366}

base/android/library_loader/library_prefetcher_unittest.cc

@@ -22,7 +22,7 @@ namespace {
 const size_t kPageSize = 4096;
 }  // namespace
 
-TEST(NativeLibraryPrefetcherTest, TestPercentageOfResidentCode) {
+TEST(NativeLibraryPrefetcherTest, DISABLED_TestPercentageOfResidentCode) {
   size_t length = 4 * kPageSize;
   auto shared_region = base::WritableSharedMemoryRegion::Create(length);
   ASSERT_TRUE(shared_region.IsValid());