Use standard colors in logcat color output
Previously, colors were specified from the 216 additional colors, which
typically specify an exact RGB color value. Instead, use escape codes
for standard colors (default foreground, red, green, yellow, etc.),
which are commonly adjusted by terminal emulators user preferences.
Bug: 159503129
Test: adb logcat --format color
Test: atest liblog
Change-Id: I0b10a70a76a29d896d04d6c49e716b09cb09b19a
diff --git a/logcat/logcat.cpp b/logcat/logcat.cpp
index 0056c80..d0c22eb 100644
--- a/logcat/logcat.cpp
+++ b/logcat/logcat.cpp
@@ -402,8 +402,8 @@
" time — Display the date, invocation time, priority/tag, and PID of the\n"
" process issuing the message.\n"
"\nAdverb modifiers can be used in combination:\n"
- " color — Display in highlighted color to match priority. i.e. \x1B[38;5;231mVERBOSE\n"
- " \x1B[38;5;75mDEBUG \x1B[38;5;40mINFO \x1B[38;5;166mWARNING \x1B[38;5;196mERROR FATAL\x1B[0m\n"
+ " color — Display in highlighted color to match priority. i.e. \x1B[39mVERBOSE\n"
+ " \x1B[34mDEBUG \x1B[32mINFO \x1B[33mWARNING \x1B[31mERROR FATAL\x1B[0m\n"
" descriptive — events logs only, descriptions from event-log-tags database.\n"
" epoch — Display time as seconds since Jan 1 1970.\n"
" monotonic — Display time as cpu seconds since last boot.\n"