Don't load battery entry names and icons in offline job to improve memory usage.

Risk: low (The name and icon will be always loaded again in the UI.)

Bug: 280720236
Fix: 280720236
Test: manual
Change-Id: I86f50e953ffd4910acbf9f318e1cc1caa3a7a232
Merged-In: I86f50e953ffd4910acbf9f318e1cc1caa3a7a232