Update the categories of app kill reaons

Prepare for the metrics, added additional subreasons.

Bug: 148087795
Test: atest CtsAppExitTestCases:ActivityManagerAppExitInfoTest
Change-Id: Id4218f9af44c43824a9f530d48bbf8cd88c32a06
Merged-In: Id4218f9af44c43824a9f530d48bbf8cd88c32a06
9 files changed