Fix building libprocinfo against musl am: a4a14a3a9c am: 8c7baf922e am: a94309eaa6

Original change: https://android-review.googlesource.com/c/platform/system/libprocinfo/+/1970019

Change-Id: I3bb453630bbccd2ddb37cb06a688abc90a5415c8
tree: 8a06fd879dbc0d82651173c641e589fc9f90ea85
  1. include/
  2. testdata/
  3. Android.bp
  4. OWNERS
  5. process.cpp
  6. process_map_benchmark.cpp
  7. process_map_test.cpp
  8. process_test.cpp
  9. TEST_MAPPING