msm8953-common: Fix PowerOffAlarm

* The APK is prepared to not run as system user
* Blobs grabbed from: lge/caymanslm/caymanslm:12/SKQ1.211103.001/2222823249237:user/release-keys

Change-Id: I3496232d468c671f7ef67b7bb6050978388d6ccf

Android.bp

@@ -141,12 +141,12 @@ android_app_import {
 android_app_import {
 	name: "PowerOffAlarm",
 	owner: "xiaomi",
-	apk: "proprietary/product/app/PowerOffAlarm/PowerOffAlarm.apk",
+	apk: "proprietary/system_ext/app/PowerOffAlarm/PowerOffAlarm.apk",
 	certificate: "platform",
 	dex_preopt: {
 		enabled: false,
 	},
-	product_specific: true,
+	system_ext_specific: true,
 }
 
 android_app_import {
@@ -289,13 +289,6 @@ dex_import {
 	product_specific: true,
 }
 
-dex_import {
-	name: "vendor.qti.hardware.alarm-V1.0-java",
-	owner: "xiaomi",
-	jars: ["proprietary/product/framework/vendor.qti.hardware.alarm-V1.0-java.jar"],
-	product_specific: true,
-}
-
 dex_import {
 	name: "vendor.qti.hardware.data.cne.internal.api-V1.0-java",
 	owner: "xiaomi",