Remove include/batteryservice

Remove global include path for this header. It should
be included with libbatteryservice_headers instead.

Test: builds
Bug: 68724651
Change-Id: Iee06a35a80d4215e239146528fae68a0d4e97607
Merged-In: Iee06a35a80d4215e239146528fae68a0d4e97607
(cherry picked from commit e4c7e062)