Remove ANDROID_LOG_RDONLY

This macro hasn't been meaningful in years.

Test: logging unit tests
Change-Id: I1b5008dd468e8ce0280a1e3e8c106e34c9648695
diff --git a/cmds/incidentd/src/Section.h b/cmds/incidentd/src/Section.h
index 2ce45ed..bf915c4 100644
--- a/cmds/incidentd/src/Section.h
+++ b/cmds/incidentd/src/Section.h
@@ -164,8 +164,8 @@
     // global last log retrieved timestamp for each log_id_t.
     static map<log_id_t, log_time> gLastLogsRetrieved;
 
-    // log mode: read only & non blocking.
-    const static int logModeBase = ANDROID_LOG_RDONLY | ANDROID_LOG_NONBLOCK;
+    // log mode: non blocking.
+    const static int logModeBase = ANDROID_LOG_NONBLOCK;
 
 public:
     LogSection(int id, const char* logID, ...);