Several different services need to be able to set the output directory
for copying modem logs, as well as how many files should be copied.
Test: N/A just defining constants
Bug: 302435001
Change-Id: I3e9f2462a42e3b074810e6fb0a925a8ca026f89d
A lot of different modem related processes require reading / writing to
the same android system properties. This CL solifies them all into
one place to avoid duplication.
Test: build
Bug: 302435001
Change-Id: I113f43bb68833224f45ad91668cd327587e1649b