Update README with additional dependencies and fixed instructions.

BUG=27169565

Change-Id: Ic8dbbade6a68683753ef56dd65b2ebab65cf940b
diff --git a/acts/framework/README b/acts/framework/README
index 69603c9..1c5faaf 100644
--- a/acts/framework/README
+++ b/acts/framework/README
@@ -1,15 +1,19 @@
 This package includes the Android Comms Testing Suite (ACTS) alpha release
 
-Dependencies:
-adb
-python3.4+
-python3.4-setuptools
-pyserial in Python3.4+
+System dependencies:
+  - adb
+  - python3.4+
+  - python3.4-setuptools
+
+Python dependencies (installed automatically by setup.py):
+  - contextlib2
+  - future
+  - pyserial
+
 
 Setup:
-    1. Install the dependencies.
-       On Ubuntu, sudo apt-get install Python3.4 python3-setuptools python3-serial
-    2. Run "python3.4 setup.py install" with elevated permissions
-
-To verify ACTS is ready to go, at the location for README, run
-    act.py -c sample_config.json -tb SampleTestBed -tc SampleTest
+  1. Install the system dependencies.
+     On Ubuntu, sudo apt-get install python3.4 python3-setuptools
+  2. Run "python3.4 setup.py install" with elevated permissions
+  3. To verify ACTS is ready to go, at the location for README, and run:
+     cd tests/ && ./test_acts