tree fe5e6dedd4891c8cad81bd8cb10d2f3a12b12b7a
parent 5467373b89f69342dbf6627d53b0eb0c377c7b65
author ztenghui <ztenghui@google.com> 1507157144 -0700
committer ztenghui <ztenghui@google.com> 1507309210 -0700

Update ripple according to UX feedback.

1. Consistent enter and exit duration and speed. Both bounded and
unbouned. It used to be that exit is much faster than enter.

2. Instead of starting from 0 size radius, we start from some size
according to the current drawable's bound.

b/63635160
Test: demo app, settings app and calculator app

Change-Id: I1135fefc9d9103f170ab889269b38a9900835450