Update PreferenceCategory headers to use headline font.

Medium version.

Bug: 70296667
Test: visual
Change-Id: Ic4e67d4adbdde52822751d28ca50db446fc59a1e
1 file changed
tree: e73133fc23affb93d54dc1eb8193b4d092f55650
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags