Updated V8 from git://github.com/v8/v8.git to 3e6ec7e018bbf2c63ef04b85ff688198ea204c04

Updated V8 from git://github.com/v8/v8.git to 3e6ec7e018bbf2c63ef04b85ff688198ea204c04

Update V8 source to version 3.11.4

* Performance and stability improvements on all platforms.
* Fixed native ARM build (issues 1744, 539)
* Fixed several bugs in heap profiles (including issue 2078).
* Throw syntax errors on illegal escape sequences.
* Made handling of const more consistent when combined with 'eval' and
  'with'.
* Fixed V8 on MinGW-x64 (issue 2026).
* Put new global var semantics behind a flag until WebKit tests are
  cleaned up.
* Enabled inlining some V8 API functions.
* Enabled MIPS cross-compilation.
* Implemented clearing of CompareICs (issue 2102).
* Fixed python deprecations. (issue 1391)
* Fixed GCC 4.7 (C++11) compilation. (issue 2136)

Change-Id: I72594bd22356391dd55e315c022d0c9f3fd5b451
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>