Update Android NDK toolchain hooks

This change adds hooks to current Android NDK toolchain so:

1.Android studio can initialize the toolchain properly when using CMake
2.Android studio does not set CMAKE_SYSTEM_VERSION to 1 to make it work
(kind of hacky as of now)

Test: NA
Status Job ID Name Coverage
  External
passed ghostflow-branch-check-master

passed ghostflow-commit-check