android-tools: import 2 changes from meta-webos-ports

* import upstream-able changes from following commits:
  9d032e47b5
  fea52b8828
  d8068a7a47
  c314b69505

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-devtools/android-tools/android-tools/0001-Allow-adbd-to-be-ran-as-root.patch

@@ -0,0 +1,24 @@
+From 3237f335c5b559c68749173f4343e6475f9eb8c7 Mon Sep 17 00:00:00 2001
+From: Florent Revest <revestflo@gmail.com>
+Date: Mon, 30 Oct 2017 21:05:46 +0100
+Subject: [PATCH] Allow adbd to be ran as root
+
+---
+ adb/adb.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/adb/adb.c b/adb/adb.c
+index 10a1e0d..a88641f 100644
+--- a/adb/adb.c
++++ b/adb/adb.c
+@@ -1267,6 +1267,7 @@ static int should_drop_privileges() {
+     int secure = 0;
+     char value[PROPERTY_VALUE_MAX];
+ 
++    return 0;
+    /* run adbd in secure mode if ro.secure is set and
+     ** we are not in the emulator
+     */
+-- 
+2.14.3
+

meta-oe/recipes-devtools/android-tools/android-tools/android-tools-adbd.service

@@ -1,12 +1,13 @@
 [Unit]
 Description=Android Debug Bridge
+ConditionPathExists=/var/usb-debugging-enabled
+Before=android-system.service
 
 [Service]
 Type=simple
 Restart=on-failure
-ExecStartPre=/usr/bin/android-gadget-setup adb
+ExecStartPre=-/usr/bin/android-gadget-setup adb
 ExecStart=/usr/bin/adbd
-StandardOutput=null
 
 [Install]
 WantedBy=basic.target

meta-oe/recipes-devtools/android-tools/android-tools_5.1.1.r37.bb

@@ -49,6 +49,7 @@ SRC_URI = " \
     file://fastboot.mk;subdir=${BPN} \
     file://mkbootimg.mk;subdir=${BPN} \
     file://0001-usb_linux.c-fix-build-with-glibc-2.28.patch;patchdir=system/core \
+    file://0001-Allow-adbd-to-be-ran-as-root.patch;patchdir=system/core \
 "
 
 S = "${WORKDIR}/git"