Insulate against log spam.

We may as well check the entire log. The previous bump seems to have made this test less flaky, so why not go all the way?

Change-Id: I26b7524731ec755b724b9363fc9151f6a6d9116d

libutils/CallStack_test.cpp

@@ -73,7 +73,7 @@ TEST(CallStackTest, log_stack) {
     android::CallStack::logStack("callstack_test");
     auto logger_list = android_logger_list_open(android_name_to_log_id("main"),
                                                 ANDROID_LOG_NONBLOCK,
-                                                10000 /* tail */, getpid());
+                                                INT_MAX /* tail */, getpid());
     ASSERT_NE(nullptr, logger_list);
     std::string log;
     while (true) {