Do not run mapLockTest on 4.9 kernels

bpfLock() does nothing on 4.9 as it relies on bpfGetFdMapId which is not available until 4.14.

Test: TH
Bug: 349034378
(cherry picked from https://android-review.googlesource.com/q/commit:78ad0039bfcbc3e7beed393e76c6661e92ade837)
Merged-In: Ib737db61a5d8fb39bcbbe1bb5937afb0c63bd1d1
Change-Id: Ib737db61a5d8fb39bcbbe1bb5937afb0c63bd1d1
1 file changed