Fix broken gesture nav edu on tablets in portrait.

Launching the gesture nav tutorial in portrait mode on tablets causes fragments with the wrong layout file to be inflated (uses the default phone layout).

Reinflating fragments whenever they need to be switched. Added a new rotation prompt fragment

Flag: ENABLE_NEW_GESTURE_NAV_TUTORIAL
Fixes: 291062054
Test: Launched the tutorial in portrait mode and landscape mode, then rotated the screen several times. tried with the flag disabled as well.
Change-Id: I0215d7589285007d04ef81d3a63e404c2cda3895
15 files changed