Fix the release type detection on stable

  <project name="device/sample" remote="aosp" revision="509608c76570d623c05952c8eecdc2868ca8a952" upstream="refs/tags/android-8.1.0_r52" dest-branch="refs/tags/android-8.1.0_r52" groups="pdk"/>

  <project name="e/os/android" path="android" remote="e" revision="9f3e708923f27fa25ee7cd11d45d7ccc095f1f7f" upstream="v1-oreo" dest-branch="v1-oreo"/>

  <project name="e/os/android_bootable_recovery" path="bootable/recovery" remote="e" revision="b8573b0a0881c5a920943f5933369a7d08b82db2" upstream="v1-oreo" dest-branch="v1-oreo" groups="pdk"/>

  <project name="e/os/android_build" path="build/make" remote="e" revision="0de8833dd36d451ecb224c47e061549f748cf8d7" upstream="v1-oreo" dest-branch="v1-oreo" groups="pdk">

  <project name="e/os/android_build" path="build/make" remote="e" revision="9fd6ed76796b494aacd73d2caaec918f8664a823" upstream="v1-oreo" dest-branch="v1-oreo" groups="pdk">

    <copyfile src="core/root.mk" dest="Makefile"/>

    <linkfile src="CleanSpec.mk" dest="build/CleanSpec.mk"/>

    <linkfile src="buildspec.mk.default" dest="build/buildspec.mk.default"/>

  <project name="e/os/android_packages_apps_SetupWizard" path="packages/apps/SetupWizard" remote="e" revision="1b9370e37c0e5378ac90612bba86bfbc3f8f6496" upstream="v1-oreo" dest-branch="v1-oreo"/>

  <project name="e/os/android_packages_apps_Updater" path="packages/apps/Updater" remote="e" revision="fab62a810d9b47438eb5458b48ff61bb4e609faf" upstream="v1-oreo" dest-branch="v1-oreo"/>

  <project name="e/os/android_packages_apps_WallpaperPicker" path="packages/apps/WallpaperPicker" remote="e" revision="b965f8d3746ce46b1d33115ec1e98a1dca7062a1" upstream="v1-oreo" dest-branch="v1-oreo" groups="pdk-fs"/>

  <project name="e/os/android_prebuilts_prebuiltapks" path="prebuilts/prebuiltapks" remote="e" revision="a3fbd4ba71c59386d0990b01ee5b7b592db6c0c5" upstream="master" dest-branch="master"/>

  <project name="e/os/android_prebuilts_prebuiltapks" path="prebuilts/prebuiltapks" remote="e" revision="5ba91cffc7a8116ece2be0a2cfacf8e085249202" upstream="master" dest-branch="master"/>

  <project name="e/os/android_system_sepolicy" path="system/sepolicy" remote="e" revision="1a63362c81f53d5114dbd2deb72ab5fb3ae411eb" upstream="v1-oreo" dest-branch="v1-oreo" groups="pdk"/>

  <project name="e/os/android_vendor_lineage" path="vendor/lineage" remote="e" revision="df591e11b027aaae6b5a67190cc0d02e5c7b056c" upstream="v1-oreo" dest-branch="v1-oreo"/>

  <project name="kernel/tests" remote="aosp" revision="fa4729e5d6aeba19cc9ea0b3cbd4eb085865beda" upstream="refs/tags/android-8.1.0_r52" dest-branch="refs/tags/android-8.1.0_r52"/>