IVGCVSW-5095 Make timeline report the Linux Thread ID not the pthread ID

Change-Id: Id69519fd9ef57716de4e389ed4156710a904c701
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
diff --git a/src/profiling/ProfilingUtils.cpp b/src/profiling/ProfilingUtils.cpp
index d67694f..3f6e563 100644
--- a/src/profiling/ProfilingUtils.cpp
+++ b/src/profiling/ProfilingUtils.cpp
@@ -802,7 +802,7 @@
 }
 
 TimelinePacketStatus WriteTimelineEventBinary(uint64_t timestamp,
-                                              std::thread::id threadId,
+                                              int threadId,
                                               uint64_t profilingGuid,
                                               unsigned char* buffer,
                                               unsigned int remainingBufferSize,
@@ -1093,7 +1093,7 @@
 namespace std
 {
 
-bool operator==(const std::vector<uint8_t>& left, std::thread::id right)
+bool operator==(const std::vector<uint8_t>& left, int right)
 {
     return std::memcmp(left.data(), &right, left.size()) == 0;
 }