Add DialpadFragment on-demand instead at on startup

Add the DialpadFragment dynamically instead of everything at
startup. Once added, it is then shown/hidden instead of removed
for performance reasons.

Reduces startup time on a N5 from 603ms to 440ms.

Bug: 18431193

Change-Id: I0482bd8277896ed8a6956fc03b6afaf44b442eb3
2 files changed
tree: 72b2ac43eb8c215361c08a81939cbed5c4b3a87f
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags