[Test] (tools/trace_replay): dump every live framebuffer attachment at a call boundary

tools/trace_replay/apitrace_fbo_dump.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+namespace mobilegl_trace_dump {
+
+// Installs the framebuffer-attachment dump hook when MOBILEGL_TRACE_DUMP_FBO_ATTACHMENTS
+// describes at least one dump point. Safe and cheap to call on every makeCurrent: the
+// environment is consulted once and the hook is installed at most once.
+void InstallIfRequested();
+
+} // namespace mobilegl_trace_dump