[Android] Enable multidex for release builds of chrome_public_test_apk. (RELAND)

DEPS

 # This file is used to manage the dependencies of the Chromium src repo. It is
 # used by gclient to determine what version of each dependency to check out, and
 # where.
 #
 # For more information, please refer to the official documentation:
 #   https://sites.google.com/a/chromium.org/dev/developers/how-tos/get-the-code
 #
 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 #
@@ skipping 448 matching lines @@
 
     # DevTools node modules. Used on Linux buildbots only.
     'src/third_party/WebKit/Source/devtools/devtools-node-modules':
       Var('chromium_git') + '/external/github.com/ChromeDevTools/devtools-node-modules' + '@' + Var('devtools_node_modules_revision')
   },
   'android': {
     'src/third_party/android_protobuf/src':
       Var('chromium_git') + '/external/android_protobuf.git' + '@' + '999188d0dc72e97f7fe08bb756958a2cf090f4e7',
 
     'src/third_party/android_tools':
-      Var('chromium_git') + '/android_tools.git' + '@' + 'b65c4776dac2cf1b80e969b3b2d4e081b9c84f29',
+      Var('chromium_git') + '/android_tools.git' + '@' + 'cb6bc21107001e2f2eeee2707b482b2b755baf51',
 
     'src/third_party/apache-portable-runtime/src':
       Var('chromium_git') + '/external/apache-portable-runtime.git' + '@' + 'c76a8c4277e09a82eaa229e35246edea1ee0a6a1',
 
     'src/third_party/errorprone/lib':
       Var('chromium_git') + '/chromium/third_party/errorprone.git' + '@' + '0eea83b66343133b9c76b7d3288c30321818ebcf',
 
     'src/third_party/findbugs':
       Var('chromium_git') + '/chromium/deps/findbugs.git' + '@' + '57f05238d3ac77ea0a194813d3065dd780c6e566',
 
@@ skipping 675 matching lines @@
 recursedeps = [
   # buildtools provides clang_format, libc++, and libc++abi
   'src/buildtools',
   # android_tools manages the NDK.
   'src/third_party/android_tools',
   # ANGLE manages DEPS that it also owns the build files for, such as dEQP.
   ("src/third_party/angle", "DEPS.chromium"),
   # SwiftShader manages DEPS that it also owns the build files for, such as Subzero.
   ("src/third_party/swiftshader", "DEPS"),
 ]