Make klog_fd thread-safe and make klog_init a no-op.
I'll come back and remove klog_init when I've removed other calls to it.
Change-Id: Iad7fd26d853b4ddc54e9abd44516b6f138cbbfcb
Test: booted N9, looked at "adb shell dmesg" output.
diff --git a/init/readme.txt b/init/readme.txt
index 27c5e67..7260775 100644
--- a/init/readme.txt
+++ b/init/readme.txt
@@ -515,5 +515,5 @@
emulator -partition-size 1024 -verbose -show-kernel -no-window
-You might want to call klog_set_level(6) after the klog_init() call
-so you see the kernel logging in dmesg (or the emulator output).
+You might want to change the klog_set_level call so you see all the kernel
+logging in dmesg (or the emulator output).