Add Dimil Kalathiya to authors (#152491)

Add myself to authors. [test-exempt]

Reference: [author:Dimilkalathiya](https://github.com/flutter/flutter/issues?q=author%3ADimilkalathiya+)
https://dart.googlesource.com/external/github.com/flutter/flutter/+/fcfbc49324ab1af262535dd5b495f9569a8b7889

DEPS

diff --git a/DEPS b/DEPS
index 3fbc1d6..189506b 100644
--- a/DEPS
+++ b/DEPS
@@ -284,7 +284,7 @@
 
   'engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + '961bc9236e7715655d97e6c832ed83fb34658bda',
 
-  'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + '43c2f8e9f60466e33e8ee23bc170a5cf8122b180',
+  'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + 'fcfbc49324ab1af262535dd5b495f9569a8b7889',
 
   'engine/src/flutter/third_party/depot_tools':
   Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '580b4ff3f5cd0dcaa2eacda28cefe0f45320e8f7',

commits.json

diff --git a/commits.json b/commits.json
index 505cd1c..7a3a62b 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "engine/src/flutter":"c58d87d62c205cceb3d2e1beee872938854c1ee4",
   "engine/src/flutter/third_party/dart":"961bc9236e7715655d97e6c832ed83fb34658bda",
-  "flutter":"43c2f8e9f60466e33e8ee23bc170a5cf8122b180"
+  "flutter":"fcfbc49324ab1af262535dd5b495f9569a8b7889"
 }
\ No newline at end of file