SkQP: rely on TestRunner for logging

BEFORE:
    V org.skia.skqp: Rendering Test 'gles_lcdtextsize' started (411/890).
    I TestRunner: started: gles_lcdtextsize(org.skia.skqp.SkQPRunner)
    I org.skia.skqp: Rendering Test 'gles_lcdtextsize' passed
    I TestRunner: finished: gles_lcdtextsize(org.skia.skqp.SkQPRunner)

AFTER:
    I TestRunner: started: gles_lcdtextsize(org.skia.skqp.SkQPRunner)
    I TestRunner: finished: gles_lcdtextsize(org.skia.skqp.SkQPRunner)
    I org.skia.skqp: Rendering Test 'gles_lcdtextsize' complete (411/890). [pass]

Change-Id: I40632ac1dc06da2395de83564580c0e490bc6e18
Reviewed-on: https://skia-review.googlesource.com/c/163786
Commit-Queue: Hal Canary <halcanary@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Auto-Submit: Hal Canary <halcanary@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
4 files changed