Android Q is Android 10

Bug: 129683166
Bug: 129943426
Test: source build/envsetup.sh && lunch blueline-userdebug && m -j cts
docs tests
Test: Flashed build to blueline, ensured it booted
Test: Verified "10" under Settings -> About phone -> Android version
Change-Id: Idec1479d93876bc57711c31e70f34008a05881d1
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index a96bf74..76ec7ff 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -89,7 +89,7 @@
 # generate the range of allowed SDK versions, so it must have an entry for every
 # unreleased API level targetable by this branch, not just those that are valid
 # lunch targets for this branch.
-PLATFORM_VERSION.QPR1 := Q
+PLATFORM_VERSION.QPR1 := 10
 
 # These are the current development codenames, if the build is not a final
 # release build.  If this is a final release build, it is simply "REL".