legacy: Add write permission to proc file system

Provide Wi-Fi HAL read and write access to proc file system.
Wi-Fi Hal needs access to proc file system in order to configure
kernel tcp parameters for achieving higher peak throughputs.

CRs-Fixed: 2491783
Change-Id: I36613f74aaa4adfc33e68442befcdb78af5edd5c
1 file changed
tree: fa9b16f4761f1b065bb48eace7fa6ebe9fb5c5b6
  1. generic/
  2. legacy/
  3. qva/
  4. SEPolicy.mk