Add window trace files SELinux policy rules
- Allow system_server to create and write to /data/misc/wmtrace/*
- Allow surfaceflinger to create and write files from /data/misc/wmtrace/*
- Allow dumpstate to read files from /data/misc/wmtrace/*
permissions are restricted to userdebug or eng builds
Bug: 64831661
Test: adb shell cmd window tracing start && adb shell cmd window tracing stop
Test: adb shell su root service call SurfaceFlinger 1025 i32 1 >/dev/null && adb shell su root service call SurfaceFlinger 1025 i32 0 >/dev/null
Test: adb bugreport ~/tmp.zip && adb shell su root dmesg | grep 'avc: '
Change-Id: I0b15166560739d73d7749201f3ad197dbcf5791c
diff --git a/private/file_contexts b/private/file_contexts
index 05c36c3..b93168b 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -390,6 +390,7 @@
/data/misc/update_engine_log(/.*)? u:object_r:update_engine_log_data_file:s0
/data/system/heapdump(/.*)? u:object_r:heapdump_data_file:s0
/data/misc/trace(/.*)? u:object_r:method_trace_data_file:s0
+/data/misc/wmtrace(/.*)? u:object_r:wm_trace_data_file:s0
# TODO(calin) label profile reference differently so that only
# profman run as a special user can write to them
/data/misc/profiles/cur(/.*)? u:object_r:user_profile_data_file:s0