Revert "Set the default drawable color on a button to the same color as the text."

This reverts commit 5d3c14a10f9710b5bba76886af0b8d3e9d965ea7.

Reason for revert: Test for b/214052347

Change-Id: I46aa0a40c3260f68834283adc99b3578b0c878c5
1 file changed