[android] Rolled back gradle and android sdk to old ones, because we don't support Android M and N properly yet

android/build.gradle

@@ -7,7 +7,7 @@ buildscript {
   }
 
   dependencies {
-    classpath 'com.android.tools.build:gradle:+'
+    classpath 'com.android.tools.build:gradle:2.2.3'
     classpath 'io.fabric.tools:gradle:1.+'
   }
 }

android/gradle.properties

@@ -1,8 +1,8 @@
 propMinSdkVersion=15
 # TODO use 23 target and build tools version, when ProGuard problem will be fixed
 # https://code.google.com/p/android/issues/detail?id=184567
-propTargetSdkVersion=25
-propCompileSdkVersion=25
+propTargetSdkVersion=22
+propCompileSdkVersion=23
 propBuildToolsVersion=25
 propVersionCode=713
 propVersionName=7.1.3

android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip