Fix Android build by updating several DEPS files.

DEPS

 use_relative_paths = True
 
 vars = {
   'chromium_git': 'https://chromium.googlesource.com',
   'pdfium_git': 'https://pdfium.googlesource.com',
 
   'android_ndk_revision': '5022f40f12953c02b2614c5f7beb981ec5d0e833',
   'build_revision': '76d9f8b4fcae07fb82f28295468cf92bade935bd',
-  'buildtools_revision': '099f1da55bfe8caa12266371a7eb983698fb1d87',
-  'catapult_revision': '8ff23141e1df724317e9f558644ce2a7d8afde54',
+  'buildtools_revision': 'db6179b29f90d28026b0cb23ef71d56ec31b8bd6',
+  'catapult_revision': '327256cb1c387e62a2c7e6960e2398867665fb51',
   'clang_revision': '775e2f874b9f53f0e82c4e7c61dc29f3cdcb3379',
   'cygwin_revision': 'c89e446b273697fadf3a10ff1007a97c0b7de6df',
   'gen_library_loader_revision': '916d4acd8b2cde67a390737dfba90b3c37de23a1',
   'gmock_revision': '29763965ab52f24565299976b936d1265cb6a271',
   'gtest_revision': '8245545b6dc9c4703e6496d1efd19e975ad2b038',
   'icu_revision': 'c291cde264469b20ca969ce8832088acb21e0c48',
   'pdfium_tests_revision': '6c769320872e6ca82da4adaec1a497237f71b543',
   'skia_revision': '7942f22c607caf826a6a609b89338a569d0a30e7',
   'tools_memory_revision': '427f10475e1a8d72424c29d00bf689122b738e5d',
   'trace_event_revision': '54b8455be9505c2cb0cf5c26bb86739c236471aa',
@@ skipping 23 matching lines @@
     Var('chromium_git') + '/skia.git' + '@' +  Var('skia_revision'),
 
   "tools/clang":
     Var('chromium_git') + "/chromium/src/tools/clang@" +  Var('clang_revision'),
 
   "tools/generate_library_loader":
     Var('chromium_git') + "/chromium/src/tools/generate_library_loader@" +
         Var('gen_library_loader_revision'),
 
   "tools/gyp":
-    Var('chromium_git') + "/external/gyp",
+    Var('chromium_git') + '/external/gyp.git' + '@' + 'c61b0b35c8396bfd59efc6cfc11401d912b0f510',
 
   "tools/memory":
     Var('chromium_git') + "/chromium/src/tools/memory@" +
         Var('tools_memory_revision'),
 
   "v8":
     Var('chromium_git') + "/v8/v8.git@" + Var('v8_revision'),
 
   "v8/base/trace_event/common":
     Var('chromium_git') + "/chromium/src/base/trace_event/common.git@" +
@@ skipping 122 matching lines @@
                '--if-needed'
     ],
   },
   {
     # Update the Windows toolchain if necessary.
     'name': 'win_toolchain',
     'pattern': '.',
     'action': ['python', 'pdfium/build/vs_toolchain.py', 'update'],
   },
 ]