Roll gyp r1895:1911

This includes r1911, the revert of r1896 which increased ios build
flakiness.

r1911 Revert "gyp: use all processors instead of hard-coded 8."
r1910 android: only emit multilib variables for target builds.
r1909 gyp: Optimize IsStrCanonicalNumber for common case
r1908 1-5% faster gyp: Use a simpler deepcopy.
r1907 Test handling of empty RULE_INPUT_DIRNAME and fix this on android.
r1906 gyp performance: Another fixed O(n^2) in dependency calcs.
r1905 gyp: isinstance -> type for another 1-5% save.
r1904 gyp: avoid copying items that will be deleted.
r1903 Show ASM output file instead of input file, just like CC and CXX.
r1902 win: disable two flaky tests on gyp-win32
r1901 Remove the default setting for clcompile_cmd in msvs-ninja
r1900 gyp: cache conditional ASTs for 3 CPU seconds (5%) gain.
r1899 gyp: use a set() in DeepDependencies for less O(n^2).
r1898 gyp: fix O(n^2) in dependency calculations.
r1897 gyp: 1% faster by optimizing IsPathSections
r1896 gyp: use all processors instead of hard-coded 8.

TBR=thakis@chromium.org
BUG=

Review URL: https://codereview.chromium.org/262943002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@268110 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -137,7 +137,7 @@ deps = {
     (Var("googlecode_url") % "grit-i18n") + "/trunk@167",
 
   "src/tools/gyp":
-    (Var("googlecode_url") % "gyp") + "/trunk@1895",
+    (Var("googlecode_url") % "gyp") + "/trunk@1911",
 
   "src/tools/swarming_client":
     Var("chromium_git") + "/external/swarming.client.git@" +