DO NOT MERGE Logging improvements in CaptivePortalLoginActivity

Logging improvements to help debugging captive portal issues.

Test: manually tested
Bug: 33126342

(cherry picked from commit 87de0c206709d3a170649b535a973de8f9c0fb0c)

Change-Id: I3ac1773e07827194d854ebad4c27c48da106154b
1 file changed