Fix C++ deprecation warning.

Implicit "this" capture now needs to be explicit.

Test: treehugger
Change-Id: Ie76309d537beafd2e963ae65c75b5c5bb94c2494

Author: enh-google

libs/gui/Choreographer.cpp

@@ -116,7 +116,7 @@ Choreographer::~Choreographer() {
     std::lock_guard<std::mutex> _l(gChoreographers.lock);
     gChoreographers.ptrs.erase(std::remove_if(gChoreographers.ptrs.begin(),
                                               gChoreographers.ptrs.end(),
-                                              [=](Choreographer* c) { return c == this; }),
+                                              [=, this](Choreographer* c) { return c == this; }),
                                gChoreographers.ptrs.end());
     // Only poke DisplayManagerGlobal to unregister if we previously registered
     // callbacks.
@@ -394,4 +394,4 @@ int64_t Choreographer::getStartTimeNanosForVsyncId(AVsyncId vsyncId) {
     return iter->second;
 }
 
-} // namespace android
+} // namespace android