tree caa767d2c6bb9fc3f46a36fd173434c7e8594c9a
parent 0f2be5449a26cdf8bd36bace392ee3a0f76d27f4
author Xin Guan <guanxin@google.com> 1696613709 -0500
committer Xin Guan <guanxin@google.com> 1696626697 +0000

Offload some processing to IoThread

Use dedicated IoThread for bg/fg proc status updates and launch
time prediction.
Avoid holding the main lock for launch time prediction

Bug: 302675504
Test: atest CtsUsageStatsTestCases
Test: atest FrameworksCoreTests:android.app.usage.*
Change-Id: I88f8d3d160db6404282ea73374e6a2c8d05f05cf