Refactor SearchManager:

- Move SearchManager out of BaseActivity.
- Refactor usage of onCurrentDirectoryChanged(int anim).
- Cancel search when directory changes.
- Enable testing for cancelling search when directory changes.
- Avoid recreating action bar when only the content of the directory is
  changed.

BUG=26495573

Change-Id: I1400090fcb529ad3905018d1640fdb7416542989
7 files changed
tree: 9f23eb1aad27ee8ea9c774478c0d62ca2ac4ec07
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. wrap_alpha.py