Example usage of the mbed_stats_thread_get_each API.

Revision:
21:cea47119a7f5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/thread-statistics.log	Mon May 13 19:02:36 2019 +0100
@@ -0,0 +1,20 @@
+ID: 0x[0-9a-fA-F]+
+Name: main
+State: \d+
+Priority: \d+
+Stack Size: \d+
+Stack Space: \d+
+
+ID: 0x[0-9a-fA-F]+
+Name: rtx_idle
+State: \d+
+Priority: \d+
+Stack Size: \d+
+Stack Space: \d+
+
+ID: 0x[0-9a-fA-F]+
+Name: rtx_timer
+State: \d+
+Priority: \d+
+Stack Size: \d+
+Stack Space: \d+