[IOT-2207] Update build to use android-ndk-r10e

[IOT-2207] Update build to use android-ndk-r10e

The android-ndk-r10d is unsupported. This updates the scripts
to download and use version r10e.

Bug: https://jira.iotivity.org/browse/IOT-2207
Change-Id: I730524749f76868f81756a1f704ee761819d1891
Signed-off-by: George Nash <george.nash@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/20561
Reviewed-by: Mats Wichmann <mats@linux.com>
Reviewed-by: Larry Sachs <larry.j.sachs@intel.com>
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Rick Bell <richard.s.bell@intel.com>
(cherry picked from commit 09dd38165eae5a7313cabf39ae2f817d892f1f7b)
Reviewed-on: https://gerrit.iotivity.org/gerrit/20939
Reviewed-by: Phil Coval <philippe.coval@osg.samsung.com>