Merge "Add new fastbootd battery-soc variable" into main am: 06949876 am:...

Merge "Add new fastbootd battery-soc variable" into main am: 06949876 am: 7ec6046b am: adfb606f am: baa2ca87 am: c000262b

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2774590



Change-Id: I76b8053695f9dfff02afb97cd45150841646ddef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>