chore: disable Android 4.1-4.3 tests (#1668)

Author: mmalerba

test/browser-providers.ts

@@ -35,9 +35,9 @@ const configuration: { [name: string]: ConfigurationInfo } = {
   'IE10':         { unitTest: {target: null, required: true}, e2e: {target: null, required: true}},
   'IE11':         { unitTest: {target: 'SL', required: true}, e2e: {target: null, required: true}},
   'Edge':         { unitTest: {target: 'SL', required: true}, e2e: {target: null, required: true}},
-  'Android4.1':   { unitTest: {target: 'SL', required: false}, e2e: {target: null, required: true}},
-  'Android4.2':   { unitTest: {target: 'SL', required: false}, e2e: {target: null, required: true}},
-  'Android4.3':   { unitTest: {target: 'SL', required: false}, e2e: {target: null, required: true}},
+  'Android4.1':   { unitTest: {target: null, required: false}, e2e: {target: null, required: true}},
+  'Android4.2':   { unitTest: {target: null, required: false}, e2e: {target: null, required: true}},
+  'Android4.3':   { unitTest: {target: null, required: false}, e2e: {target: null, required: true}},
   'Android4.4':   { unitTest: {target: 'SL', required: false}, e2e: {target: null, required: true}},
   'Android5':     { unitTest: {target: 'SL', required: false}, e2e: {target: null, required: true}},
   'Safari7':      { unitTest: {target: null, required: false}, e2e: {target: null, required: true}},