Add a prefix to visited tab preferences keys

This makes it easy to identify and backup visited tab
preferences

Bug: 130304311
Change-Id: I22688a623286ae3ec605a4a3fa3f3e1c13a5e823
2 files changed
tree: 748b3ac192e67948f962156c5f954fc8d64eeca3
  1. res/
  2. robolectric_tests/
  3. src/
  4. src_override/
  5. Android.mk
  6. AndroidManifest.xml