Remove execute bit for source files

Test: ls -l
Change-Id: Id09514a03f82c89e6350a5f9e34b9ef8bfe27b7e
9 files changed
tree: e89b6ba982af31e81e1ada8c11b0655032d44f2e
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/