Configure auto-rotation tilt tolerance in config.xml.

This allows for the thresholds to be tuned differently for different
products as needed.

Bug: 18276856
Change-Id: I6c87e683dea6a17cf606203a894c8419e20d3658
diff --git a/tools/orientationplot/README.txt b/tools/orientationplot/README.txt
index d53f65e..958207d 100644
--- a/tools/orientationplot/README.txt
+++ b/tools/orientationplot/README.txt
@@ -9,6 +9,8 @@
 2. numpy
 3. matplotlib
 
+eg. sudo apt-get install python-numpy python-matplotlib
+
 
 USAGE
 -----
diff --git a/tools/orientationplot/orientationplot.py b/tools/orientationplot/orientationplot.py
index 6fc3922..77ed074 100755
--- a/tools/orientationplot/orientationplot.py
+++ b/tools/orientationplot/orientationplot.py
@@ -440,7 +440,7 @@
 # Notice
 print "Window Orientation Listener plotting tool"
 print "-----------------------------------------\n"
-print "Please turn on the Window Orientation Listener logging in Development Settings."
+print "Please turn on the Window Orientation Listener logging.  See README.txt."
 
 # Start adb.
 print "Starting adb logcat.\n"