Uninstaller, CommonPatcher: update detect_bootmode()

patcher/CommonPatcher

@@ -128,7 +128,8 @@ detect_outfd () {
 }
 
 detect_bootmode () {
-	ps | grep zygote | grep -qv grep && BOOTMODE=true || BOOTMODE=false
+	[ -z ${BOOTMODE} ] && BOOTMODE=false
+	${BOOTMODE} || ps | grep zygote | grep -qv grep && BOOTMODE=true
 	${BOOTMODE} || ps -A | grep zygote | grep -qv grep && BOOTMODE=true
 }
 

uninstaller/META-INF/com/google/android/update-binary

@@ -35,7 +35,8 @@ Vending
 WhisperPush"
 
 detect_bootmode () {
-	ps | grep zygote | grep -qv grep && BOOTMODE=true || BOOTMODE=false
+	[ -z ${BOOTMODE} ] && BOOTMODE=false
+	${BOOTMODE} || ps | grep zygote | grep -qv grep && BOOTMODE=true
 	${BOOTMODE} || ps -A | grep zygote | grep -qv grep && BOOTMODE=true
 }