Don't use lazy_static to create Mutex

Since rust 1.63 Mutex::new is const.

The underlying data type is wrapped with Option so
we can drop the need to lazy static init the mutex.

Test: m libnfc_rnci
Change-Id: I4fa74574d06522403f7e55eee6d97f1b25822b00
2 files changed
tree: 50b46405007aaacb0d945b5716f5da7b622cd8ab
  1. conf/
  2. src/
  3. tools/
  4. utils/
  5. .clang-format
  6. .gitignore
  7. Android.bp
  8. CleanSpec.mk
  9. NOTICE
  10. OWNERS
  11. PREUPLOAD.cfg
  12. run_unit_tests.sh
  13. TEST_MAPPING