Label `ro.boot.qemu`

This is an Android Studio Emulator (aka ranchu)
specific property, it is used for emulator
specific workarounds.

Bug: 182291166
Test: presubmit
Signed-off-by: Roman Kiryanov <rkir@google.com>
Change-Id: I2b8daf7c8ddb05b4082e4229f7b606c6ad4e717e
diff --git a/private/property_contexts b/private/property_contexts
index 34efaac..dae6939 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -637,6 +637,8 @@
 ro.boot.hardware.sku       u:object_r:bootloader_prop:s0 exact string
 ro.boot.keymaster          u:object_r:bootloader_prop:s0 exact string
 ro.boot.mode               u:object_r:bootloader_prop:s0 exact string
+# Populated on Android Studio Emulator (for emulator specific workarounds)
+ro.boot.qemu               u:object_r:bootloader_prop:s0 exact bool
 ro.boot.revision           u:object_r:bootloader_prop:s0 exact string
 ro.boot.vbmeta.avb_version u:object_r:bootloader_prop:s0 exact string
 ro.boot.verifiedbootstate  u:object_r:bootloader_prop:s0 exact string