Merge "Use String8/16 c_str" into main am: d473ecf232 am: bf039d5d64 am: ffa40701a9

Original change: https://android-review.googlesource.com/c/platform/hardware/libhardware_legacy/+/2705615

Change-Id: Ifc2ac8d554522fb9c64f39fc177c710a1f7556a2
Signed-off-by: Automerger Merge Worker <[email protected]>