logcat: test: rotated logs can exceed size during crash

Some crash messages can be as large as 4K, so allow
the rotated logs to have a larger size.

Change-Id: I20ef8d526ad2d5eca128d1f99f4ea2d2da426403

logcat/tests/logcat_test.cpp

@@ -605,7 +605,7 @@ TEST(logcat, logrotate) {
                 char c;
 
                 if ((2 == sscanf(buffer, "%d log.tx%c", &num, &c)) &&
-                        (num <= 24)) {
+                        (num <= 40)) {
                     ++count;
                 } else if (strncmp(buffer, total, sizeof(total) - 1)) {
                     fprintf(stderr, "WARNING: Parse error: %s", buffer);