logd: make LogBuffer an interface
We may use different implementations of LogBuffer in the future, so we
make it interface and create a concrete ChattyLogBuffer class that
implements it.
Test: logging unit tests
Change-Id: I5731d6404640664c9acc26b7c677dff3110c6a11
diff --git a/logd/LogReaderThread.h b/logd/LogReaderThread.h
index ce59cbb..f828b6e 100644
--- a/logd/LogReaderThread.h
+++ b/logd/LogReaderThread.h
@@ -33,6 +33,7 @@
class LogReader;
class LogBufferElement;
+class LogReaderList;
class LogReaderThread {
public: