Adopt the new prebuilts/ndk/<number> paths.

Bug: 6932421
Change-Id: I42b62b521222991b372610b26a54ebf6c34bf714
Revert "Unbundle libstlport with NDK r4."

This reverts commit f581c1eaf398e25de8ecae69c46c698604b288f0.
Now unbundled native code should instead use:
LOCAL_NDK_STL_VARIANT := stlport_static
which is the NDK prebuilt version of stlport.

Change-Id: Ib890a8580dedb1f5e89d2889859cc0f0854340d4
Bug: 6932421
am 4c86b6ec: (-s ours) Adopt the new prebuilts/ndk/<number> paths.

* commit '4c86b6ec1a905e46f2a575ac0851ec5f153a4acf':
  Adopt the new prebuilts/ndk/<number> paths.
am 30865cb9: Revert "Unbundle libstlport with NDK r4."

* commit '30865cb901602ed078ff2ed534529d847b3b54b5':
  Revert "Unbundle libstlport with NDK r4."
am e5f45d37: am 881d508e: Merge "Revert "Unbundle libstlport with NDK r4.""

* commit 'e5f45d3719275b0fd752b94c3de2e6ca8bb097bb':
  Revert "Unbundle libstlport with NDK r4."
Fixed build errors originated from stlport

The STLPort in the Android repository is the latest version and there
has not been any more updates to this project. Thus, we are locally
patching STLPort to fix build errors reported by clang.
 - Introduced _STLP_UNUSED macro to fix un-used param warnings. (caused
   build errors with -Werror)

Change-Id: I67a72cad71b3c05e517d59805291b2730bd1ee7c
Author: Tareq A. Siraj <tareq.a.siraj@intel.com>
Reviewed-by: Ariel Bernal <ariel.j.bernal@intel.com>
am 1a65be97: Merge "Use __ANDROID__ to test for Android platform"

* commit '1a65be974ca1b908969c798923d3a19e7c8ce801':
  Use __ANDROID__ to test for Android platform
am f6943b71: Merge "Remove static initializers"

* commit 'f6943b71aea7ae639e41e47feaf5d2d505bee811':
  Remove static initializers
am 7d4b717b: Merge "Remove wchar_t-related compiler warnings when building the STLport sources"

* commit '7d4b717b3b48998a13070b383a98c972aec00781':
  Remove wchar_t-related compiler warnings when building the STLport sources
am e6eb0085: Merge "Fix compilation with clang and GCC 4.7"

* commit 'e6eb0085f1b6f32d4a9f7b75c0002e48c35d4eb1':
  Fix compilation with clang and GCC 4.7
am a425ebce: Merge "Fix a STLport-related crash."

* commit 'a425ebceb7d24785e46f77e8e5464e7e50f45cca':
  Fix a STLport-related crash.
am 8cfe752a: Merge "misc fix"

* commit '8cfe752a64222225f3199da5feff6664628590c9':
  misc fix
am f18429e3: Merge "Fix _STLP_USE_EXCEPTIONS"

* commit 'f18429e3d6bf0d955f66160644de0672f045872a':
  Fix _STLP_USE_EXCEPTIONS
Revert "Fix _STLP_USE_EXCEPTIONS"

This reverts commit 91b1d7f8d7847f7b032a8a289b2bb5911c731fba.

o related-to-bug: 7966335

Change-Id: I2c091bf1093aa0f568d6aee5926ced404a90f1ab
Make it easier to use stlport correctly.

Change-Id: I55da59c8c11057b7d881301ec8c9fd4aa3bd92bf
Merge "Make it easier to use stlport correctly."
Make libstlport.mk interoperate correctly with use_rtti.mk.

Change-Id: I639d0d3dc36a0b7c2d3fb2ded42e8801daccfa7a
Merge "Make libstlport.mk interoperate correctly with use_rtti.mk."
Add std::move and std::remove_reference.

Change-Id: I75df32685446210c9eaa185785f5902a88be72a9
Add std::move and std::remove_reference.

Change-Id: I75df32685446210c9eaa185785f5902a88be72a9
(cherry picked from commit 437a526f8f1a39e3c7958158f5d8d1e6ff9e33d4)