gxp: iif: simplify sync file install logic am: 441f6817bb am: 403e1b39f4

Original change: https://partner-android-review.googlesource.com/c/kernel/private/google-modules/gxp/zuma/+/2771890

Change-Id: Ib84d3180ef7d8ba7a9d3b5f11b21f691ccce1006
Signed-off-by: Automerger Merge Worker <[email protected]>