Remove singeLine attribute in the usage chart divider

Remove the android:singleLine attribute in the expand divider layout to support other language to avoid the content is truncated.
old screenshot: https://screenshot.googleplex.com/7JCnrQAXJM8zjMM

Bug: 229265247
Test: N/A
Change-Id: I9038e69a9ab035b4e0599ca20e11fbccd471f76f
1 file changed