update user manual revision to r2

Change-Id: Icc4f2c58a2a213e5216b536ec86b0ebb39116e7e
diff --git a/src/compatibility/android-cts-manual-r4.pdf b/src/compatibility/android-cts-manual-r4.pdf
index 8b72b4b..a5861ac 100644
--- a/src/compatibility/android-cts-manual-r4.pdf
+++ b/src/compatibility/android-cts-manual-r4.pdf
Binary files differ