Revert "Instrument latency and jank for IME"

Revert submission 20190403-ime_jank_latency

Reason for revert: causing runtime crashes in tests
Bug: 265630720
Reverted changes: /q/submissionid:20190403-ime_jank_latency

Change-Id: I79b3aa51828e5e4af34ddc29a012eb9abac49c10
20 files changed