Update Android emulator version to 29.0.8 (#3073)

Context: 09c390f

This is the latest stable version of the emulator and it brings the headless
version we hope to use for our tests.

Configuration.props

@@ -133,7 +133,7 @@
     <AndroidToolPath Condition=" '$(AndroidToolPath)' == '' ">$(AndroidSdkFullPath)\tools</AndroidToolPath>
     <AndroidToolsBinPath Condition=" '$(AndroidToolsBinPath)' == '' ">$(AndroidToolPath)\bin</AndroidToolsBinPath>
     <AndroidToolExe Condition=" '$(AndroidToolExe)' == '' ">android</AndroidToolExe>
-    <EmulatorVersion Condition=" '$(EmulatorVersion)' == '' ">5395263</EmulatorVersion>
+    <EmulatorVersion Condition=" '$(EmulatorVersion)' == '' ">5533278</EmulatorVersion>
     <EmulatorToolPath Condition=" '$(EmulatorToolPath)' == '' ">$(AndroidSdkFullPath)\emulator</EmulatorToolPath>
     <EmulatorToolExe Condition=" '$(EmulatorToolExe)' == '' ">emulator</EmulatorToolExe>
     <NdkBuildPath Condition=" '$(NdkBuildPath)' == '' And '$(HostOS)' != 'Windows' ">$(AndroidNdkDirectory)\ndk-build</NdkBuildPath>