Adds a simarmv5te build and test target.

tools/gyp/configurations.gypi

Index: tools/gyp/configurations.gypi
===================================================================
--- tools/gyp/configurations.gypi	(revision 45179)
+++ tools/gyp/configurations.gypi	(working copy)
@@ -20,6 +20,7 @@
       ['"<(target_arch)"=="armv5te"', { 'dart_target_arch': 'ARMV5TE', }],
       ['"<(target_arch)"=="arm64"', { 'dart_target_arch': 'ARM64', }],
       ['"<(target_arch)"=="simarm"', { 'dart_target_arch': 'SIMARM', }],
+      ['"<(target_arch)"=="simarmv5te"', { 'dart_target_arch': 'SIMARMV5TE', }],
       ['"<(target_arch)"=="simarm64"', { 'dart_target_arch': 'SIMARM64', }],
       ['"<(target_arch)"=="mips"', { 'dart_target_arch': 'MIPS', }],
       ['"<(target_arch)"=="simmips"', { 'dart_target_arch': 'SIMMIPS', }],
@@ -62,6 +63,14 @@
         ]
       },
 
+      'Dart_simarmv5te_Base': {
+        'abstract': 1,
+        'defines': [
+          'TARGET_ARCH_ARM',
+          'TARGET_ARCH_ARM_5TE',
+        ]
+      },
+
       'Dart_arm_Base': {
         'abstract': 1,
         'defines': [
@@ -73,6 +82,7 @@
         'abstract': 1,
         'defines': [
           'TARGET_ARCH_ARM',
+          'TARGET_ARCH_ARM_5TE',
         ],
       },
 
@@ -174,6 +184,27 @@
         ],
       },
 
+      'DebugSIMARMV5TE': {
+        'inherit_from': [
+          'Dart_Base', 'Dart_simarmv5te_Base', 'Dart_Debug',
+          'Dart_<(dart_target_os)_Base',
+          'Dart_<(dart_target_os)_simarmv5te_Base',
+          'Dart_<(dart_target_os)_Debug',
+        ],
+        'defines': [
+          'DEBUG',
+        ],
+      },
+
+      'ReleaseSIMARMV5TE': {
+        'inherit_from': [
+          'Dart_Base', 'Dart_simarmv5te_Base', 'Dart_Release',
+          'Dart_<(dart_target_os)_Base',
+          'Dart_<(dart_target_os)_simarmv5te_Base',
+          'Dart_<(dart_target_os)_Release',
+        ],
+      },
+
       'DebugSIMARM64': {
         'inherit_from': [
           'Dart_Base', 'Dart_simarm64_Base', 'Dart_Debug',