Fix android evergreen build

[2019/01/21 09:19:11.761] Installing ANDROID SDK

[2019/01/21 09:19:12.096] Error: Package path is not valid. Valid system image paths are:

[2019/01/21 09:19:12.096] null

[2019/01/21 09:19:12.096] PANIC: Unknown AVD name [embeddedTest_x86_64], use -list-avds to see valid list.

[2019/01/21 09:19:12.096] ANDROID_SDK_HOME is defined but there is no file embeddedTest_x86_64.ini in $ANDROID_SDK_HOME/avd

[2019/01/21 09:19:12.096] (Note: Directories are searched in the order $ANDROID_AVD_HOME, $ANDROID_SDK_HOME/avd, and $HOME/.android/avd)

[2019/01/21 10:17:24.190] Command canceled: <nil>