Fix one more import for ContextThemeWrapper.

Bug: 195028385
Test: can build now.
Change-Id: Ie14285b614318a99098f4457d7564a25724cde6b
Merged-In: Ie14285b614318a99098f4457d7564a25724cde6b
(cherry picked from commit fff8e219751b1bb369c150139ddbcbec43966732)
1 file changed