Fix a bug of adding callback for opening developer tool.

For the "Open developer tool" button in app indexing testing tool,
run the call back on EdtExecutor.INSTANCE

Test: N/A
Change-Id: I0b64127b438afa14e73d6fa85313246b6ea3f2e9
(cherry picked from commit 9958fabc6cb3d372a8005c13702546cd769acb88)
1 file changed
tree: 5bd1d36f4b2064f3faafafce17c11858aac35f4e
  1. lib/
  2. resources/
  3. src/
  4. testData/
  5. testSrc/
  6. BUILD
  7. google-appindexing.iml