More work to hook up screen event logging

* Replace inlined strings with consolidated string constants
* Log event when import/export to contacts dialog is shown

Bug: 23164804

Change-Id: I45ba0663f28bd7ea41c5c33c8a5106dc83cd41f3
4 files changed
tree: 75c08ab13160adeae496bddf13fd9ba4fd8f17de
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags