Increment CTS Version to 2.1_r4

Bug 2923901

Change-Id: I2e42eae1403eeee8e2386394a654f4a2276749a2
1 file changed
tree: 0a17e67db9cf518f1da2e694bdc1622c25cf8433
  1. development/
  2. tests/
  3. tools/
  4. .gitignore
  5. Android.mk