Add battery health tip

Bug: 406894719
Test: local test
Flag: EXEMPT bugfix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:b49d170117c6918efe56a883add4816c279fd2a9)
Merged-In: I15c5cfafa5a78f3b5e767a48f4f23359eb3a68bc
Change-Id: I15c5cfafa5a78f3b5e767a48f4f23359eb3a68bc
1 file changed