Rename any builder with prefix 'WebKit Linux' to 'WebKit Linux Precise'

tools/mb/mb_config.pyl

Index: tools/mb/mb_config.pyl
diff --git a/tools/mb/mb_config.pyl b/tools/mb/mb_config.pyl
index 4d79107820956f67317d566600b8a2fc15c51c61..96f237ba32e43916b079a035cb5cef87ca2cb67b 100644
--- a/tools/mb/mb_config.pyl
+++ b/tools/mb/mb_config.pyl
@@ -168,8 +168,8 @@
       'Site Isolation Win': 'release_trybot_x86',
       'ThinLTO Linux ToT': 'thin_lto_clang_tot_release_static',
       'UBSanVptr Linux': 'ubsan_vptr_release_bot',
-      'WebKit Linux - TraceWrappables': 'release_bot',
-      'WebKit Linux - WPTServe': 'release_bot',
+      'WebKit Linux Precise - TraceWrappables': 'release_bot',
+      'WebKit Linux Precise - WPTServe': 'release_bot',
       'WebKit Mac - WPTServe': 'release_bot',
       'WebKit Win - WPTServe': 'release_bot_x86',
       'Win 10 Fast Ring': 'release_trybot',
@@ -335,12 +335,12 @@
 
     'chromium.webkit': {
       'Android Builder': 'android_release_bot_minimal_symbols',
-      'WebKit Linux (dbg)': 'debug_bot',
-      'WebKit Linux ASAN': 'asan_lsan_release_bot',
-      'WebKit Linux Leak': 'release_bot',
-      'WebKit Linux MSAN': 'msan_release_bot',
+      'WebKit Linux Precise (dbg)': 'debug_bot',
+      'WebKit Linux Precise ASAN': 'asan_lsan_release_bot',
+      'WebKit Linux Precise Leak': 'release_bot',
+      'WebKit Linux Precise MSAN': 'msan_release_bot',
       'WebKit Linux Trusty': 'release_bot',
-      'WebKit Linux': 'release_bot',
+      'WebKit Linux Precise': 'release_bot',
       'WebKit Mac Builder (dbg)': 'debug_bot',
       'WebKit Mac Builder': 'release_bot',
       'WebKit Mac10.11 (retina)': 'release_bot',