<NME> project.properties
<BEF> # This file is automatically generated by Android Tools.
# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
#
# This file must be checked in Version Control Systems.
#
# To customize properties used by the Ant build system use,
# "ant.properties", and override values to adapt the script to your
# project structure.

# Project target.
target=android-21
android.library=true

<MSG> Updated readme.

<DFF> @@ -8,5 +8,5 @@
 # project structure.
 
 # Project target.
-target=android-21
+target=android-24
 android.library=true

Updated readme.