Consolidate duplicate adb mode string constants

These were causing bugs.

Test: Ran with different adb modes
Bug: 131773907
Change-Id: Idfca528f2abe1af9a8d4cbc8d0ba9aa52f39fc4b
3 files changed
tree: 23c4dc64f92abd22896265e4cb3384443559a767
  1. common/
  2. guest/
  3. host/
  4. tests/
  5. tools/
  6. Android.bp
  7. Android.mk
  8. OWNERS
  9. TEST_MAPPING