[DEPENDENCIES] Update gradle plugin version to 2.4.0-alpha6 in dependencies.gradle
[DEPENDENCIES] Update gradle plugin version to 2.4.0-alpha6 in dependencies.gradle

AdamLuisSean/template-android,AdamLuisSean/template-android,AdamLuisSean/template-android,AdamLuisSean/template-android,AdamLuisSean/template-android