android-tools: fix PIE build

srcpkgs/android-tools/patches/makefile.patch

@@ -135,7 +135,7 @@ index 000000000000..00ce75b2f4ad
 +all: fastboot
 +
 +fastboot: $(OBJS)
-+	$(CC) -o $@ $(OBJS) $(LIBS)
++	$(CC) -o $@ $(OBJS) $(LIBS) $(LDFLAGS)
 +
 +install: fastboot
 +	install -Dm755 fastboot $(DESTDIR)$(PREFIX)/bin/fastboot

srcpkgs/android-tools/template

@@ -5,7 +5,7 @@ _distver=5.1.1_r13
 #       of android used by android-tools. Check for diff with:
 #         curl -L http://git.io/vvC0Z | sh -s 5.0.2_r1 5.1.0_r1
 version=${_distver/_/}
-revision=2
+revision=3
 create_wrksrc=yes
 build_style=gnu-makefile
 hostmakedepends="git"
@@ -32,3 +32,7 @@ pre_build() {
 post_install() {
 	vsv adb
 }
+
+# REMARKS:
+# If there is any reason at all that fastboot may not be a position independent
+# executable, please document it here.