Revert "enable -fstack-protector-strong"

This reverts commit 8765b1035f813be2c26988a73cf3e9815aa5adf6.

This prevents x86 from booting.

http://b/26046864

Change-Id: Ica3f7e7e639c99fd3158df3643acb49307197881
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index 1eb30d0..485e48c 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -101,7 +101,7 @@
 			-ffunction-sections \
 			-fdata-sections \
 			-funwind-tables \
-			-fstack-protector-strong \
+			-fstack-protector \
 			-Wa,--noexecstack \
 			-Werror=format-security \
 			-D_FORTIFY_SOURCE=2 \
diff --git a/core/combo/TARGET_linux-arm64.mk b/core/combo/TARGET_linux-arm64.mk
index a300aaf..18bdbe7 100644
--- a/core/combo/TARGET_linux-arm64.mk
+++ b/core/combo/TARGET_linux-arm64.mk
@@ -75,7 +75,7 @@
     -fno-strict-aliasing \
 
 TARGET_GLOBAL_CFLAGS += \
-			-fstack-protector-strong \
+			-fstack-protector \
 			-ffunction-sections \
 			-fdata-sections \
 			-funwind-tables \
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk
index dbe1612..c4cb0f8 100644
--- a/core/combo/TARGET_linux-x86.mk
+++ b/core/combo/TARGET_linux-x86.mk
@@ -94,7 +94,7 @@
 			-fstrict-aliasing \
 			-funswitch-loops \
 			-funwind-tables \
-			-fstack-protector-strong \
+			-fstack-protector \
 			-m32 \
 			-no-canonical-prefixes \
 			-fno-canonical-system-headers \
diff --git a/core/combo/TARGET_linux-x86_64.mk b/core/combo/TARGET_linux-x86_64.mk
index 99bac72..b7ec50b 100644
--- a/core/combo/TARGET_linux-x86_64.mk
+++ b/core/combo/TARGET_linux-x86_64.mk
@@ -94,7 +94,7 @@
 			-fstrict-aliasing \
 			-funswitch-loops \
 			-funwind-tables \
-			-fstack-protector-strong \
+			-fstack-protector \
 			-m64 \
 			-no-canonical-prefixes \
 			-fno-canonical-system-headers