Conditionally define BPLOG_LAZY_STREAM

This allows BPLOG_LAZY_STREAM to be overridden by BP_LOGGING_INCLUDE

Change-Id: I5c9ec19b619ad5db9e97f3a1813b0f965a357b38
Reviewed-on: https://chromium-review.googlesource.com/c/1351361
Reviewed-by: Ivan Penkov <ivanpe@chromium.org>

src/processor/logging.h

diff --git a/src/processor/logging.h b/src/processor/logging.h
index af539a4..a9f3092 100644
--- a/src/processor/logging.h
+++ b/src/processor/logging.h
@@ -147,9 +147,11 @@
 #define BPLOG_INIT(pargc, pargv)
 #endif  // BPLOG_INIT
 
+#ifndef BPLOG_LAZY_STREAM
 #define BPLOG_LAZY_STREAM(stream, condition) \
     !(condition) ? (void) 0 : \
                    google_breakpad::LogMessageVoidify() & (BPLOG_ ## stream)
+#endif
 
 #ifndef BPLOG_MINIMUM_SEVERITY
 #define BPLOG_MINIMUM_SEVERITY SEVERITY_INFO