[Android] Add JUnit4 to third_party/junit/.

This CL adds JUnit4 to chromium android checkouts. It will be used for
host-side java unit testing. This should allow us to both write new
tests for existing java code and convert some existing device-side
instrumentation tests.

BUG=316383

Review URL: https://codereview.chromium.org/556893004

Cr-Commit-Position: refs/heads/master@{#294966}

.gitignore

@@ -269,6 +269,7 @@ v8.log
 /third_party/jarjar
 /third_party/jsoncpp/source
 /third_party/jsr-305/src
+/third_party/junit/src
 /third_party/leveldatabase/src
 /third_party/leveldb
 /third_party/libaddressinput/src

DEPS

@@ -498,6 +498,9 @@ deps_os = {
     'src/third_party/jsr-305/src':
       Var('chromium_git') + '/external/jsr-305.git' + '@' + '642c508235471f7220af6d5df2d3210e3bfc0919',
 
+    'src/third_party/junit/src':
+      Var('chromium_git') + '/external/junit.git' + '@' + 'c62e2df8dbecccb1b434d4ba8843b59e90b03266',
+
     'src/third_party/lss':
       Var('chromium_git') + '/external/linux-syscall-support/lss.git' + '@' + Var('lss_revision'),
 

third_party/junit/OWNERS

+jbudorick@chromium.org
+navabi@chromium.org
+

third_party/junit/README.chromium

+Name: JUnit
+URL: http://junit.org
+Version: 4.11
+License: Common Public License 1.0
+License File: NOT_SHIPPED
+Security Critical: no
+License Android Compatible: yes
+Description: JUnit is a java unit testing library.
+Local Modifications: None
+