Mark flaky tests for arm.

test/cctest/cctest.status

 # Copyright 2011 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 59 matching lines @@
 
 # BUG(355): Test crashes on ARM.
 test-log/ProfLazyMode: SKIP
 
 # BUG(1075): Unresolved crashes.
 test-serialize/Deserialize: SKIP
 test-serialize/DeserializeFromSecondSerializationAndRunScript2: SKIP
 test-serialize/DeserializeAndRunScript2: SKIP
 test-serialize/DeserializeFromSecondSerialization: SKIP
 
+# BUG(2874): Threading problems.
+test-api/*: PASS || FLAKY
 ##############################################################################
 [ $arch == mipsel ]
 
 # BUG(2657): Test sometimes times out on MIPS simulator.
 test-thread-termination/TerminateMultipleV8ThreadsDefaultIsolate: PASS || TIMEOUT
 
 # BUG(1075): Unresolved crashes on MIPS also.
 test-serialize/Deserialize: SKIP
 test-serialize/DeserializeFromSecondSerializationAndRunScript2: SKIP
 test-serialize/DeserializeAndRunScript2: SKIP
@@ skipping 30 matching lines @@
 # Native Client doesn't support sockets.
 test-debug/DebuggerAgent: SKIP
 test-debug/DebuggerAgentProtocolOverflowHeader: SKIP
 test-socket/Socket: SKIP
 
 # Profiling doesn't work on Native Client.
 test-cpu-profiler/*: SKIP
 
 # Fails since 16322 (new test).
 test-code-stubs-arm/ConvertDToI: SKIP