Implicit capture of 'this' with a capture default of '=' is deprecated

```
CaptureTimer.cpp:34:13: warning: implicit capture
of 'this' with a capture default of '=' is deprecated [-Wdeprecated-this-capture]
```

Change-Id: Ib3fe4e958964b15b6135f8d73b093493d36fc8b1
diff --git a/libs/renderengine/skia/debug/CaptureTimer.cpp b/libs/renderengine/skia/debug/CaptureTimer.cpp
index 11bcdb8..1c1ee0a 100644
--- a/libs/renderengine/skia/debug/CaptureTimer.cpp
+++ b/libs/renderengine/skia/debug/CaptureTimer.cpp
@@ -30,7 +30,7 @@
 
 void CaptureTimer::setTimeout(TimeoutCallback function, std::chrono::milliseconds delay) {
     this->clear = false;
-    CommonPool::post([=]() {
+    CommonPool::post([=,this]() {
         if (this->clear) return;
         std::this_thread::sleep_for(delay);
         if (this->clear) return;